Zero Tolerance 0055 Knife Review

Zero Tolerance is a sub brand of Kai USA, Ltd. Kai has been the leading producer of premier knives in Japan for over 100 years now. Kai is a major manufacturer and distributor of disposable razors, surgical tools, personal care products, and housewares—all in Japan. Kai USA, Ltd. has been committed to innovation since they began.

Zero Tolerance first made its public appearance in 2006. Zero Tolerance jumped in the game then because they saw a place in the market for a Made-in-the-USA line of hard-use knives that would meet the needs of professionals in the military and law enforcement as well as other first responders, such as firefighters and emergency medical personnel. When they first hit the market, they introduced combat knives and only combat knives. Since then, Zero Tolerance has expanded their line to include a variety of general use and premium knives. Whether you purchase one of the larger and heavier outdoor knives or the slimmer and lighter every day carrying knives, they are all built to a high performance standard.

Zero Tolerance calls their knives, “proudly overbuilt”. They use only the premium materials for their knives. They manufacturer them smoothly and the final fit and finish is second to none. These knives are true works of art and the brand new 0055 knife is no exception.

 

The Blade:

The blade on this knife is made out of S35VN steel. Years ago, Crucible released a steel (S30V) that had been specifically manufactured to be used on knife blades. This steel became known as one of the best options on the market for your blade. The first steel gained the reputation of having the perfect balance of edge retention, hardness, and toughness. This first steel was used for high end premium pocket knives and expensive kitchen cutlery. It also avoided rusting or corroding with ease. However, there was a drawback: It was pretty tough to sharpen. So in 2009, Crucible and Chris Reeve introduced a superior steel. They upgraded the original steel and added niobium, which is where they got the N in the name from. Along with the added niobium, they used a much finer grain structure in the steel. With these two qualities, you get increased toughness and it is a breeze to sharpen. Because of the finer grain structure, the finished steel looks much more polished. Something that is interesting about S35VN steel is that it has the perfect balance between hardness and toughness. Many times, when the steel becomes harder, it loses much of its toughness because of how brittle it is. But with this steel, Crucible has added vanadium carbides into the steel which brings out the hardness in the steel without making it brittle.  If the original S30V steel was regarded with so much praise, just imagine how great the new upgraded version is.

The steel is finished with a stonewash finish. This finish is created by tumbling the steel around with an abrasive material, normally small pebbles. After it has been tumbled for an adequate length of time, the steel is smoothed out and polished. The finishing look with the stonewash is a textured, rugged look. The stonewash finish helps to cut down on glares and reflections. But the best feature of this finish is that the textured appearance helps to hide scratches and fingerprints. This significantly cuts down on maintenance time and the finish preserves the blades look overtime.

The steel has been carved into a modified reverse tanto style. A reversed tanto style is a Tanto blade that has basically been turned upside down, so the angular side is on the top. This makes it look like it has a very angled drop point. The modified, reverse tanto blade shape gives you many of the same benefits that a tanto blade shape does, so let’s go over those. For starters, this blade shape has been designed to be tough and to pierce tough things, but that’s really it. The tanto or reverse tanto blade shape is mainly used if you want a knife to do one thing and to do it really well. Because there is such a thick point on this blade shape and because the tip contains a lot of metal close to it, the tip is able to absorb the impact from repeated piercing that would cause most other knives to break. This blade shape is able to stab through some of the hardest and the toughest materials. With a normal tanto, the sharpened edge is almost completely straight, but because it is reversed and modified, the sharpened edge actually does provide you with a slight belly. Now, this isn’t your traditional belly that has a large curved portion, because it is more angled than curved. So this style of tanto blade will be able to hold its own and slice a little bit.

 

The Handle:

The handle on the 0055 is made out of titanium handle scales. Titanium offers the best corrosion resistance out of any metal. While this metal is a little bit heavier than aluminum, it is much stronger. So with the extra weight, you get a lot of extra strength and it is worth the extra weight. One of the most unique characteristics of titanium is that it actually feels warm to the touch. This is the perfect handle material if you are working in a colder environment, because the metal won’t bite into your hand. This is a very sturdy material.

Titanium is very slippery though, so Zero Tolerance finished the handle with a bead blast finish to add texture. A bead blasted finish is created by blasting the steel with small glass or ceramic beads at a high pressure. This results in an even gray finish. Because the finish is even and matte, the bead blast finish reduces reflections and glares efficiently. However, because the ceramic beads create micro abrasions in the surface, your handle will be much more prone to rusting or corroding. In fact, if left in the worst environment, the handle has the potential to rust overnight. This just means that you have to keep up on your maintenance and oiling.

The reversed tanto blade shape is full of sharp angles and straight lines. The handle is just the same, creating a very futuristic look. Even though the handle is full of sharp angles, it is still a comfortable knife to hold, even if you are using it for long periods of time.

There is also a lanyard hole carved into the handle. Keeping a lanyard on your knife can have so many different benefits. With a lanyard, you can easily tie the knife to your belt or pack strap to secure it against loss. You can add a touch of brightness or personal style depending on which lanyard you choose to strap on.

The handle has a titanium frame lock with a hardened steel lock bar insert. The titanium has a springy feel to it, yet it is steel very tough, so it is the perfect option for a frame lock or lock bar insert.

 

Zero Tolerance 0055
Zero Tolerance 0055

The Pocket Clip:

The pocket clip that is included with this knife is a reversible, bent titanium clip. The titanium matches the rest of the handle perfectly. This is a reversible pocket clip meaning that you can switch whether you carry the knife left or right handedly. However, you can only carry this knife tip up. The pocket clip is kept in place by two small screws.

All of the other hardware is black, to add a stark contrast.

 

The Mechanism:

The mechanism on this knife is a manual open knife with a KVT ball-bearing system. The ball-bearing system allows the manual opening system to be smooth. Another big benefit is that you can easily open your knife with just one hand, which helps to make this knife completely ambidextrous. You can even open one of the heavier knives open handed if you have the KVT ball-bearing opening system. And, this mechanism takes away the need to have a spring or torsion bar to assist the blade out of the handle. The ball bearings surround the pivot point of the knife. Then, the user pushes outward on the thumb stud, and the ball bearings rotate so that the blade glides out of the handle then locks into place, ready for use. This is an innovative, ground breaking mechanism that really ups the quality and effectiveness of your knife.

One of the most unique features of this knife is the SLT spring-loaded flipper tab function. This is a two stage operating system that uses a spring to flip a tab up in to the ready position followed by a traditional pullback motion on the tab for immediate deployment. The SLT tab is even hidden while in the open position to not detract from the elegance of this knife.

 

The Specs:

This knife was made in the United States of America. The blade on the 0055 is 3.75 inches long with a blade thickness of 0.156 inches. The overall length of this knife is 8.75 inches long, with a closed length of 5 inches. This knife weighs 5 ounces.

 

The Pros of the Zero Tolerance 0055:

  • S35VN is one of the best steel options on the market today.
  • The steel has been designed specifically for use on knife blades.
  • It has the perfect balance between toughness, hardness, and edge retention.
  • The steel resists rust perfectly.
  • This steel has fine grain structure, so the finished product has a very polished look to it.
  • The steel has niobium added which increases hardness and makes the steel easier to sharpen.
  • The stonewash finish helps to hide scratches and fingerprints.
  • The modified reverse tanto blade has a strong tip that is able to stab into the hardest and toughest materials.
  • The modified reverse tanto blade also gives you slicing capabilities.
  • Titanium is the most corrosion resistant steels out there.
  • Titanium has a warm feel to it, so it won’t bite into your hands while in cold environments.
  • The bead blast finish adds plenty of texture to give you a secure grip on this knife.
  • The pocket clip can be carried on the left or right side.
  • KVT ball-bearing system allows you to open this knife quickly and with only one hand.
  • Sports the SLT spring loaded flipper tab function.
  • Made in the USA.
  • Zero Tolerance knives have been known to be “proudly overbuilt”.

 

The Cons of the Zero Tolerance 0055:

  • Because of the blade shape, this knife excels at one thing and doesn’t perform well in other tasks.
  • Titanium is a heavier material, so it will add some weight to the knife.
  • The bead blast finish on the handle does make the knife more prone to rusting or corroding because of the micro abrasions.
  • The pocket clip can only be carried tip up.

 

Conclusion:

Zero Tolerance is a sub brand of Kai. Kai has a commitment to innovation, so you know that any of their sub brands will also be committed to innovation. Zero Tolerance has been proudly known to “overbuild” their knives, meaning that they use the highest quality materials that they can find. They also make sure that the process of manufacturing is seamless, with one of the best final fit and finishes that exists today. You know that when you are carrying a Zero Tolerance knife, you are going to be protected because your knife will be able to stand up to the tasks of everyday life. These knives are going to last a lifetime with you.

With their newest knife, the 0055, they started with a premium steel that has been known as one of the best knives on the market for knife blades. They finished it with a low maintenance finish so that you don’t have to worry about scratches and fingerprints. The titanium handle is durable, resistant to corrosion, and provides you with a warm touch. With the highest quality materials and some of their most innovative mechanisms, this knife will truly change your everyday carry standards.

Zero Tolerance 0920 Knife Review

Zero Tolerance is a sub brand of Kai USA Ltd. Kai has been the leading producer of premier blades in Japan for over 100 years now. They have a commitment to innovation and are constantly coming up with new, ground breaking technologies. Kai is also a major manufacturer and distributor of disposable razors, surgical tools, personal care products, and housewares—all in Japan.

Zero Tolerance is also committed to innovation. They first made their public appearance in 2006 when they noticed a place in the market for a Made-in-the-USA lien of hard-use knives. They wanted their knives to meet the needs of professionals in the military and law enforcement, as well as other first responders, such as firefighter and emergency medical personnel. So that is just what they did.

When they first began designing and producing knives, they made combat knives, and only combat knives. Since that time, they have expanded their line to include a variety of products. They have produced larger and heavier outdoor knives to slimmer and lighter every day carrying knives. All of their products are built to Zero Tolerances high-performance standards. Zero Tolerance wants to prove their users with the top of the line quality.

One of Zero Tolerance’s claim to fame is that they are “proudly overbuilt”. This company only uses the top quality materials and the manufacturing is conspicuously smooth. Plus, the Zero Tolerance fit and finish is second to none. When you are carrying a Zero Tolerance knife, you know that you can trust it. And it will last you a lifetime. Zero Tolerance has just released a brand new knife called the 0920. And it is a showstopper.

 

The Blade:

The blade on this knife is carved out of CPM 20CV steel. This steel has been produced by Crucible, an American company. They designed this steel to compare to the Bohler’s M39p steel as well as Carpenter CTS 204P steel. CPM 20CV steel is a Powder Metallurgy tool steel. Because of this, you get a combination of impressive wear resistance and edge retention. And, because of the high levels of chromium, this steel is extremely resistant to rusting and corroding. This steel has been known as a super steel, because of its properties and its ability to perform. This is also a steel that requires very little maintenance. However, this steel is difficult to sharpen; a beginner probably wouldn’t be able to handle it.

The steel has been finished with a stonewash finish. This finish is made by tumbling the steel around in an abrasive material. This material is usually small pebbles. After it is tumbled around, the steel will be smoothed over and polished. The finished look is a rugged, textured look. One of the biggest benefits about the stonewash finish is that it preserves the look of the blade for long periods of time. The stonewash finish effortlessly hides fingerprints and scratches, which accumulate over time. Because of this, maintenance time is significantly reduced.

The steel has been carved into a clip point blade shape. This is one of the most versatile blade shapes, and is very similar to the drop point blade shape. This shape is commonly found on pocket knives and fixed blades. This blade shape is created by having the unsharpened edge of the blade run straight form the handle and then stop about halfway up the knife. Then, it turns and continues to the point of the knife. This area look like it is cut out and can be curved out straight. The 0920 looks a little bit different where it curves and then goes straight, but still has the portion that looks to be “clipped out”, which is where the shape got its name. This blade shape creates a lowered point which gives you more control when you are using the knife. However, unlike the drop point blade shape, the point is not broad. The tip on the clip point shape is very fine and sharp. This allows you to have stabbing capabilities. However, because it is finer, it is more prone to breaking or snapping. Another reason that makes it so versatile is because the clip point provides a large belly with a large area for slicing. The ability to slice makes this a perfect blade option for an everyday knife. There are many, many knife lovers that adore the clip point shape. This provides you with the ability to be prepared for the expected or the unexpected.

At the back of the blade, right next to the handle, there is a portion of jimping. This jimping is a little shallower and rounded than you would normally find, but it will provide you with a place to rest your thumb and give you more control over the blade while you are cutting. Right under the jimping, Zero Tolerance has stamped a black “ZT” logo.

 

The Handle:

The handle on the 0920 has been made out of titanium. While titanium is a heavier material than its little brother, aluminum, it is still considered a lightweight metal alloy. And while it is slightly heavier, with the extra weight, you get a considerable amount of extra strength. The extra weight is one hundred percent worth the strength you gain. However, because it is so much stronger, it is a more expensive material to machine, which does increase the overall cost of the knife. One of the most unique and loved characteristics about having a titanium handle is that it is a rare metal that has a warm feel to it. This means that you won’t have to suffer when you are using this knife in the winter or a cold environment. However, there are a couple of drawbacks to titanium. One of them is that it is prone to scratches especially when you are comparing it to stainless steel. The other drawback is that it can be a slick material, unless it has been properly texturized.

To add enough texture to provide you with a secure grip, Zero Tolerance has finished the titanium handle with a bead blast finish. The bead blasted finish is created when the metal has been blasted with small ceramic beads at a high pressure. The resulting look is an even, matte, gray finish. Because it is matte, the bead blast finish minimizes glares and reflections. However, because the bead blast finish creates micro abrasions in the metal, the titanium is going to be more prone to rusting or corroding. This means that you are going to have to keep up on maintenance time and make sure that you don’t leave it in a damp or humid environment. Another thing that Zero Tolerance did to increase the amount of texture was to add vertical milling pattern across the width of the knife. This texturing provides you with a secure grip no matter the environment you are in.

The handle sports a shallow finger groove, but a large finger guard to protect from slipping and injuring your finger.

On the butt of the handle, there has been a lanyard hole drilled into it. Having a lanyard tied onto your handle can help prevent against loss, improve the ability to find your knife if you happen to drop or misplace it, and you can add a little bit of your own personal style to the knife.

The frame lock design includes a steel lock bar insert as well as bronze anodized tube spacers with the same finish that will be found on the pocket clip.

 

Zero Tolerance 0920
Zero Tolerance 0920

The Pocket Clip:

The pocket clip is a bent titanium pocket clip. This pocket clip actually does not match the handle, but instead sports a copper look to it. This pocket clip is reversible, so you can carry it either left or right handedly. However, it is not tip reversible. It is only drilled to carry the knife tip up. The pocket clip is kept into place by three small black screws. The screws that keep the clip in place match the rest of the black hardware.

 

The Mechanism:

This is a flipper knife that sports a KVT ball bearing opening system. Instead of the usual sharks fin flipper shape, the flipper tab on this knife is more rectangular. The KVT ball bearing system is an innovation that Zero Tolerance has created. This is a manual opening system that enables smooth, easy blade opening without the use of a spring or torsion bar to assist the blade out of the handle. The ball bearings in the KVT system surround the pivot point. When the knife user pulls back on the flipper protrusion, the ball bearings rotate so that the blade glides out of the handle and then locks into place. This mechanism allows the user to open the knife efficiently with only one hand. This system is what makes this knife a fully ambidextrous blade.

 

The Specs:

This knife has been made in the United States of America. The blade length on the 0920 knife is 3.9 inches long with a thickness of 0.156 inches. The overall length of this knife is 9 inches long, with a closed length of 5.1 inches. This knife weighs in at 5.4 ounces.

 

The Pros of the 0920 Knife:

  • Zero Tolerance has been known to proudly overbuild their knives.
  • The steel that they chose to use is a super steel.
  • The steel provides you with excellent edge retention.
  • The steel effortlessly resists corrosion.
  • The stonewash finish easily hides fingerprints and scratches.
  • The stonewash finish preserves the look of the blade overtime.
  • The clip point blade is extremely versatile.
  • The clip point provides you with exceptional stabbing capabilities.
  • The clip point also has a large belly that allows you to easily slice.
  • The titanium handle actually has a warm feel to it.
  • The titanium handle is lightweight, yet extremely strong.
  • Titanium is one of the most corrosion resistant metals on the market.
  • The handle has a large finger guard on the handle to protect your fingers from slipping and getting cut.
  • The milling on the handle provides you with fantastic grip.
  • The handle has a lanyard hole drilled into it.
  • The bead blast finish on the handle also helps to give you a secure grip.
  • The pocket clip is reversible, so it is ambidextrous.
  • The knife sports a KVT ball bearing opening system.
  • This is a fully ambidextrous knife.

 

The Cons of the 0920 Knife:

  • The tip on the clip point shape is finer, so it is more prone to breaking or snapping.
  • The aluminum does have a significant amount of weight to it.
  • The bead blasted finish on the handle does make the handle more prone to corroding or rusting.
  • The knife can only be carried tip up, because the handle has only been drilled for that.

 

Conclusion:

Zero Tolerance knives have a reputation of being overbuilt. What does that mean? It means that Zero Tolerance only uses the highest quality materials and the manufacturing is seamless. The Zero Tolerance final fit and finish is second to none. They deserve the reputation that they have earned over the years. In 2006, when they saw the need in the market for made-in-the-USA knives that could take a hard beating, they swooped in. And we are so grateful that they did. They have produced countless ground breaking knives and have come out with many innovative mechanisms. It’s the little details that they pay attention to that sets them apart from all of their competition.

With one of their newest knives, the 0920, they paid special attention to the details. They started out with a super steel for the blade and finished it with a low maintenance look. The versatile blade shape demands an exceptional handle, so Zero Tolerance used one of the most durable materials. The reversible pocket clip is a cherry on top and the KVT ball bearing opening system makes deploying the blade a seamless task. This knife is a game changer that will definitely up the standards that you have for your pocket knives.

Zero Tolerance 0850 Knife Review

Zero Tolerance is a sub brand of Kai USA Ltd. For over 100 years, Kai has been the leading producer of premier blades in Japan. Kai also is a major manufacturer and distributor of disposable razors, surgical tools, personal care products, and housewares in japan. Kai is committed to innovation and always produces high quality tools.

Zero Tolerance saw a gap in the market for Made-in-the-USA knives in 2006. These knives would need to be hard use knives that would meet the needs of professionals in the military and law enforcements, as well as other first responders, such as firefighters and emergency medical personnel. The first products that Zero Tolerance produced were combat knives, but over the best decade, they have expanded their product line to carry other general use and premium knives and tools. Zero Tolerance carries anything form larger and heavier outdoor knives to slimmer and lighter everyday carrying knives. Each of these tools are built to meet Zero Tolerance’s high standards.

Zero Tolerance knives have been known to be “proudly overbuilt”. This means that they use the highest quality of materials to produce their knives. Some of these materials include S30V steel, CTS 204P steel, titanium, and G10, among other things. The manufacturing for these tools are smooth and the Zero Tolerance fit and finish is second to none. When you are carrying a Zero Tolerance knife, you know that you can rely on your knife. This is a tool that will last a lifetime with you. And if you treat your knife well, the knife will treat you well back. Zero Tolerance has recently released a brand new knife called the 0850.

 

The Blade:

The blade on this knife is made out of CPM 20CV steel. This steel is considered an ultra-premium steel or a super steel. Crucible is the producer behind this steel and they made it to compete with Bohler’s M390 steel which is also similar to Carpenter’s CTS 204P steel. CPM 20CV steel is a Powder Metallurgy tool steel, which means that you get a combination of fantastic wear resistance and great edge retention. Because the steel has such high levels of chromium in it, you also get extremely high levels of corrosion resistance. This steel requires very little maintenance to maintain its high quality. However, because this is a harder steel, it does tend to be a very hard steel to sharpen.

The CPM 20CV steel has been finished with a stonewash finish and a satin finish. The stonewash finish is created by tumbling the steel around with an abrasive material, which is normally small pebbles. This creates a very textured look, which is usually regarded as rugged. After the steel has been tumbled around with the pebbles, it is smoothed over and then polished. Because of the textured look, this steel easily hides scratches and fingerprints, which accumulate over time. And, the finish helps to preserve the look of the blade overtime. Then, the steel undergoes a machined satin finish. The satin finish is when the blade gets sanded in one direction with increasing degrees of a fine abrasive. The satin finish shows of the lines of the knife, while working to reduce the reflections and glares of the steel. The blade has been finished with a two toned look. The satin finish is used for the majority of the blade, while the stonewash portion is the raised section on the blade.

The steel is carved into a sheepsfoot blade shape. The shape of the sheepsfoot blade is created by having a straight edged front blade and a dull back spine that curves down to meet the straight edge. The two edges meet at the tip and form what is called a “false point”. Because of the false point, you can cut and slice without having to worry about controlling the point or accidently stabbing something. This shape of blade is very popular with emergency responders because they are able to cut through seatbelts without worrying about injuring the victim. Another very popular use for this shape of knife is with sailors, because they can cut the rigging without piercing through the sails. The last very popular reason for a sheepsfoot blade is for the Japanese Santoku kitchen knife that uses this blade for slicing through food with the point getting in the way. One of the great advantages to having a sheepsfoot blade is that you can hold the dull edge with your fingers to give you more control over your cuts. Because the shape of blade has such a straight edge, the cuts that this knife can produce are extremely clean. The only drawback to the sheepsfoot blade is that there is no point whatsoever on it. This means that you have no stabbing capabilities. However, this drawback is also one of its biggest benefits.

Zero Tolerance 0850
Zero Tolerance 0850

The Handle:

The handle is made out of carbon fiber. Carbon fiber is a pretty generic term for a material that has thin strands of carbon that have been tightly woven and then set in a resin. The full name for the material that you are getting when you buy a carbon fiber knife handle is a carbon Fiber Reinforced Polymer. This material is one of the strongest materials that you can buy while also being extremely lightweight. Even though it is extremely strong, it does happen to be brittle. This is because the carbon fibers are all going in one direction. So while they are extremely strong in that direction, when the material has been stressed in any of the other directions, it tends to be extremely brittle. In the direction that the carbon fibers have been woven, the material is actually stronger than steel. Because of its brittleness, if the material is subjected to an impact on a hard or sharp object, it is prone to cracking or breaking. Because the manufacturer can weave the carbon fiber in a variety of different ways, you can get some pretty unique looks to the handle material. These different patterns can be very aesthetically pleasing. On the 0850, there is a light diagonal checkering pattern. The carbon fiber used on this knife is a deep blue. However, because of the weaving process, this material is a very labor intensive process, so it is on the more expensive end of the spectrum. Carbon fiber knife handles are normally only found on the higher end knives.

 

The Pocket Clip:

The pocket clip is made out of titanium. This is a great material because it does feel springy, while it is still hard and durable. The pocket clip is straight, without any bends. The clip is kept in place by two small black screws that contrast with the clip. This is a single position pocket clip. The handle has only been drilled to carry the clip right handedly and only tip up.

 

The Mechanism:

This is a manual opening knife that utilizes a thumb stud. The thumb stud allows you to open this knife with ease. The stud sits on the side of the blade nears where the blade pivots on the handle. On the 0850, it is silver to match with the blade, instead of the common contrast that is found on thumb studs. This thumb stud is made out of aluminum, which is a great choice because it is extremely durable and strong, while also being very lightweight. This gives you the durability that you want in a thumb stud, without adding a large chunk of weight to the knife. This thumb stud has been anodized with a clear anodization. Because of the thumb stud, you can easily open this knife with only one hand. However, you to have to put your fingers and hand very close to the blade. Because of this, it is quite easy to slip and slice your thumb while opening this knife.

 

The Extras:

This knife features a round turned aluminum back spacer. Using aluminum for this piece of the knife is a great option because of how lightweight the material is. It gives you a sturdy back spacer while not weighing the knife down.

The 0850 also features a Sub-Frame Lock, with a hardened steel lock bar insert.

 

The Specs:

The blade on this knife is 3.75 inches long with a blade thickness of 0.156 inches. When this knife is open, the overall length is 8.7 inches long, and it sports a closed length of 4.95 inches long. This knife weighs in at 4.3 ounces.

 

The Pros of the 0850:

  • The steel used on the blade is considered a super steel.
  • This steel gives you phenomenal edge retention and great resistance to corrosion.
  • This is a low maintenance steel.
  • This steel also offers you a great level of wear resistance.
  • The stonewash finish hides scratches and fingerprints with ease, cutting down on maintenance time.
  • The stonewash finish preserves the look of this blade overtime.
  • The satin finish shows of the lines of the steel.
  • The satin finish helps to cut down on glares and reflections.
  • The two toned blade gives this knife a very unique look to it.
  • The sheepsfoot blade has a false point, so you won’t be able to pierce through anything with it.
  • Because the sharpened edge is so straight and sharp, when cutting or slicing with this blade, you get extremely clean cuts.
  • You are able to hold the dull edge with your fingers to give you more control over the knife and your cuts.
  • Carbon fiber is a very strong material.
  • Carbon fiber is also very lightweight.
  • The thumb stud opening mechanism allows you to open your blade quickly and efficiently.
  • The thumb stud also allows you to open this knife with only one hand.
  • Features a round turned aluminum back spacer.
  • Features a Sub-Frame Lock with a hardened steel lock bar insert.
  • Zero Tolerance knives have been known to be “proudly overbuilt”, so you know that you will be able to rely on this knife when you need it the most.

 

The Cons of the 0850:

  • Because the steel is so hard, it does tend to be tricky to sharpen.
  • Because the sheepsfoot blade shape has a false point, you will have almost no stabbing capabilities.
  • Carbon fiber is actually a very brittle material, so you have to avoid bumping your handle on a hard or sharp object.
  • The pocket clip can only be put on to carry your knife tip up.
  • The pocket clip can only be put on to carry your knife on the right side.
  • Because it is a thumb stud mechanism, your hand and fingers do have to get fairly close to the blade when you are opening it, putting you at risk for slopping and slicing your fingers.

 

Conclusion:

Zero Tolerance is an exceptional knife company. They have a commitment to innovation and their knives are designed to take a hard beating for long periods of time. They’ve been on the market for a little over a decade, which is when they saw the need for made in the USA knives that could take a beating. Since they released their first knife, they have gained the reputation of being “proudly overbuilt” which just means that they will only use the highest quality materials to build their knives. It also means that their manufacturing is smooth and seamless and they definitely don’t skimp on the fit and finish, having theirs second to none.

For their newest knife, the 0850, Zero Tolerance started out with a super steel. This steel is hard, tough, has great edge retention, and resists rust and corrosion with ease. They finished the steel with a two toned look to add some dimension and carved it into the shape of a sheepsfoot blade. To match the exceptional blade, they made an exceptional handle. The carbon fiber is a deep blue with an eye catching checkered pattern. This is a manual opening knife that sports a thumb stud. When you are carrying a Zero Tolerance knife, you are carrying a lifelong companion.

Zero Tolerance Sinkevich Flipper Knife Review

Zero Tolerance is a brand of Kai USA Ltd. The ZT brand first made its appearance in 2006 when they saw a place in the market for a Made-in-the-USA lien of hard-use knives that would meet the needs of professionals in the military and law enforcement, as well as other first responders, such as firefighters and emergency medical personnel.

The initial products were combat knives, but since that time, the line has expanded to include a variety of general use and premium knives. From larger and heavier outdoor knives to slimmer and lighter every day carrying knives that are built to ZT’s high-performance standards, ZT knives always provide knife owners with top-of-the-line quality.

Zero Tolerance Knives are manufactured of premium materials such as S30V, S35Vn, or CTS-204P blade steel and G-10, titanium, and carbon fiber handle scales. Operation is conspicuously smooth and ZT fit and finish is second to none. Their customers have described ZT as a “Real Beast” and “overbuilt”, which is something that ZT is very proud of. All of their knives are built in their Tualatin, Oregon manufacturing facility by their most skilled workers.

Kai USA Ltd., the makers of Zero Tolerance Knives, is a member of the Kai Group. Kai is a major manufacturer and distributor of disposable razors, surgical tools, personal care products, and housewares in Japan.

Today we will be going over the Zero Tolerance Sinkevich Flipper knife which has been one of BladeOps best sellers this year.

 

The Blade:

The blade on this knife is made out ofCPM-20CV steel. This steel is super premium steel made by Crucible. This is their version of Bohler’s popular M390 steel, which also influenced Carpenter to copycat with CTS-204P. This is a Powder Metallurgy (PM) tool steel, which means that you will get a combination of impressive wear resistance and edge retention, plus because of the higher levels of chromium, you will get the added benefit of being high corrosion resistant.

The blade has been finished with two separate finishes. Its stonewashed on the flats and satin finished on the grinds. A stonewashed finish refers to tumbling the blade in an abrasive material, which is usually small pebbles. This finish easily hides scratches, while also providing a less reflective nature than a brushed or satin finished blade. The biggest advantage to this blade finish is how low maintenance it is because the finish works to preserve their original look overtime. This finish easily hides the scratches and smudges that will occur with use overtime. The stonewashed finish gives the knife a rugged, well-worn look.

A satin finish is created by sanding the blade in one direction with increasing degrees of a fine abrasive, which is almost always a sandpaper. A satin finish shows the bevels of the blade, showcases the liens of the knife, while also reducing its reflective glare. The finer the abrasive and the more even the lines; the cleaner the satin finish blade looks. This is one of the most traditional blade finishes that you are going to come across because its luster is relatively medium in scale.

The blade itself has been carved into a custom blade shape that most resembles a sheepsfoot. A classic sheepsfoot blade is for cutting and slicing while also minimizing the chances of anything accidentally being pierced by the point because it has a false point. With a regular sheepsfoot blade shape, the knife has a straight edge and a dull back spine that curves to meet the edge. This is where this custom blade shape begins to differ. This Zero Tolerance knife does have a slight belly, although when being compared to a drop point or clip point, its belly is a little shallower. The spine of the knife is almost like a sheepsfoot and a clip point put together. It does curve down to meet the edge, but it does have more angles than a typically sheepsfoot blade does. And while the point is not as sharp as a point on a clip point blade shape, it is also not a false point like a sheepsfoot blade.

Zero Tolerance Sinkevich Flipper Knife
Zero Tolerance Sinkevich Flipper Knife

The Handle:

The handle on this knife is two toned, just like the blade, with satin and stonewashed finish. It is made out of titanium. Titanium is a lightweight metal alloy that offers the best rust resistance out of any metal that you are going to find a knife handle made out of. This material is similar to aluminum, but is often considered the older brother, because it is the superior material. It is much stronger and a little bit heavier, which unfortunately means that it is more expensive to machine. Titanium has a unique quality where it feels warm to it, which is a huge advantage in a knife handle. Especially if you are going to be using this knife during the winter, you won’t suffer nearly as much as with aluminum. Unfortunately, titanium is prone to scratches.

The pivot hardware that shows up on the face of the knife has been anodized bright blue, adding contrast, and matching the pocket clip. The handle has been striped in a sun ray pattern. The middle of these ‘rays’ is the satin finish, which also means that it is the lightest of all the rays. Then, the next two on either side are stonewashed finishes, getting darker towards the edges. One of the benefits of the stonewashed portions is that it will hide the scratches that titanium is prone to getting.

The handle has a deep finger groove to give you a comfortable grip as well as a lanyard hole for convenience.

 

The Pocket Clip:

The aluminum pocket clip has been anodized a bright blue to add a unique aesthetic to this knife that you are not going to find on many other knives. The clip is kept in place with two silver screws that match the rest of the hardware on this knife. The clip is designed to only be a tip up clip, but it is reversible, helping make this knife truly ambidextrous.

 

The Mechanism:

This is a flipper knife that features a KVT ball-bearing opening system as well as a titanium frame locking mechanism.

The flipper is a part of the blade that protrudes at the knife spine when the knife is closed. When opened, the protrusion forms part of the finger guard. To open this knife, you hold the knife handle in one hand with the butt end resting firmly in the palm of your hand. You will place your index finger on the highest point of the flipper and push down strongly and quickly on this piece. The blade will move out of the handle and lock into place. If you are having trouble moving the blade fully out of the handle, add a slight flip of the wrist. The flipper on this Sinkevich knife is less triangular than the common flipper that you are going to come across. It also has a short of thin jimping on one of the sides so that you can get a better grip when you are trying to open this knife. One of the biggest benefits about a flipper is that it keeps your fingers out of the path throughout the entire opening process.

The KVT opening system is a manual opening system that enables smooth, easy blade opening with the use of a spring or torsion bar to “assist” the blade out of the handle. Instead, the KVT system uses a series of ball bearings that surround the pivot point of this knife. As the user pulls back on the flipper blade protrusion, the ball bears rotate so that the blade glides out of the handle and then locks into place, ready for use.

This knife’s locking mechanism is a frame lock, which is when the knife handle, or the frame, consists of two plates of material on either side of the blade. To ensure a secure lock up, one or both of these plates is usually metal. When the knife is opened, the metal side of the frame, the lock bar, butts up against the backend of the blade and prevents the blade form closing. To close a frame lock knife, the user pushes the frame to the side, unblocking the blade, and folds the blade back into the handle. Like locking liner knives, frame locks are manufactured so that he locking side of the frame is angled toward the interior of the knife, creating a bias toward the locked position. Both the blade tang and the lock bar are precisely angled so they fit together for a secure, reliable lockup.

 

The Specs:

The blade on this Zero Tolerance knife measures in at 3.25 inches long, with a handle length of 4.5 inches long. When the knife is opened, it measures in at an overall length of 7.7 inches long. The Sinkevich flipper knife weighs in at 6.6 ounces. And, like all Zero Tolerance knives, it was made in the United States of America.

 

The Pros of the Zero Tolerance Sinkevich Flipper Knife:

  • The steel chosen is a super-premium steel.
  • The steel chosen will give you crazy corrosion resistance while also maintain an edge for long periods of time.
  • Because of the high carbon content, you will also get good corrosion resistance.
  • Two toned finish means that you get low maintenance as well as traditional.
  • The stonewashed finish is one of the lowest maintenance finishes you are going to come across.
  • Made in the United States of America.
  • The slight point won’t let you stab anyone with it accidentally.
  • There is a slight belly that a typical sheepsfoot blade wouldn’t sport.
  • The flipper enables fast and easy one handed opening.
  • The flipper mechanism is ambidextrous, which means that it will be comfortable for left or right handers.
  • KVT Ball Bearing Opening system is a manual opening system, so there will be no weird laws around it.
  • The KVT system enables smooth and easy one-handed opening.
  • This opening system uses ball bearings to enable the blade to glide out of the handle.
  • The lock bar locking mechanism is an extremely strong locking mechanism.
  • Pocket clip is ambidextrous.
  • Titanium is very strong, while still remaining lightweight.
  • Titanium is the most corrosion resistant metal out of all.
  • Features a lanyard hole.

 

The Cons of the Zero Tolerance Sinkevich Flipper Knife:

  • This is a heavier pocket knife.
  • The slightly false point won’t let you have full piercing or stabbing capabilities.
  • The slight belly won’t be able to make slicing a breeze.
  • Sometimes the flipper opening mechanism takes a couple of tries to really get the hang of it.
  • The titanium handle is going to add a decent cost to the handle because of how tricky it is to machine.
  • The titanium handle is also prone to scratches.

 

Conclusion:

Zero Tolerance and Belarusian custom knife maker Dmitry Sinkevich have teamed up to produce the 0456. The 0456 offers the premium cutting power for which ZT is well known in a knife with standout looks that are just waiting to be shown off.

Based on Dimitry’s popular custom knife, The Pole, the 0456 features the 3-D rayed handle contours and custom blade shape that defined the original design. The high-quality CPM-20CV blade steel is wear and corrosion resistant and takes an exceptional edge. The blade’s premium quality is matched only by its good looks—with an appealing two-tone finish that’s stonewashed on the flats and satin on the grinds. The 0456 opens with ZT’s KVT ball-bearing system for a quick, easy blade release. A titanium frame lock, with a hardened steel lock bar insert, firmly secures the blade open during use.
The 0456 deftly balances handsome appearance and solid utility. On the appearance side, the pivot hardware, custom aluminum back spacer, and left/right reversible pocket clip are finished in a brilliant blue. On the utility side, the 0456 offers top cutting capabilities and excellent edge-holding performance making it the perfect tool to take along with you on any bold adventure.
Pick up this phenomenal everyday carry knife today at BladeOps, it won’t disappoint you.

 

 

Zero Tolerance Short Run 0630ORBLK Orange Emerson Folder Knife Review

Zero Tolerance Short Run 0630ORBLK Orange Emerson Folder Knife
Zero Tolerance Short Run 0630ORBLK Orange Emerson Folder Knife

Zero Tolerance is a brand of Kai USA Ltd. The ZT brand first made its appearance in 2006 when we saw a place in the market for a Made-in-the-USA line of hard-use knives that would meet he needs of professionals in the military and law enforcement, as well as other first responders, such as firefighters and emergency medical personnel.

The initial products were combat knives, but since that time, the line has expanded to include a variety of general use and premium knives. From larger and heavier outdoor knives to slimmer and lighter every day carrying knives that are built to Zero Tolerance’s high-performance standards, Zero Tolerance knives always provide knife owners with top-of-the-line quality. Zero Tolerance knives are manufactured of premium materials such as S30V, S35VN, or CTS-204P blade steel and G10, titanium, and carbon-fiber handle scales. The operation is conspicuously smooth and Zero Tolerance fit and finish is second to none. Their customers have described Zero Tolerance as a “real beast” and proudly— “overbuilt.” All Zero Tolerances are built in their Tualatin, Oregon USA manufacturing facility by their most skilled workers.

Kai USA Ltd., the makers of Zero Tolerance Knives, is a member of the Kai Group. Kai is a major manufacturer and distributor of disposable razors, surgical tools, personal care products, and housewares in Japan.

The knife that we are talking about today is the Zero Tolerance Short Run Orange Emerson folding knife.

 

The Designer:

Ernest Emerson is the man behind this Short Run knife. His designs have won numerous awards and are used by elite military and law enforcement groups throughout the world. His resume actually includes instructor positons at some of the leading professional training facilities in the world and courses taught to many of the world’s elite military fighting units. He also started his martial arts training at the age of 16 in Korean Judo. So not only is he disciplined in defending himself, he knows how to design the perfect knife that is going to back you up in almost any situation.

 

The Blade:

The blade on this knife is made out of CPM S35VN steel. To fully understand how quality this steel is, you first need to understand the steel that was designed before this steel. The original steel was CPM S30V, both steels made by US based Crucible. The original steel had fantastic edge retention and was able to resist rust with ease. It was specifically designed as a blade steel, so you knew that you could expect all the best qualities form it. Crucible added vanadium carbides into the matrix, which brought extreme hardness to the steel. This original steel was regarded as having the best balance between edge retention, hardness, and toughness for the price that you paid. There was one major disadvantage though and that was that it was hard for manufacturers to work with, which did increase the cost, and it was tricky to sharpen, which was a hassle. So Crucible took those complaints and revamped the steel, introducing the world to CPM S35VN. This was in collaboration with Chris Reeve, who is a renowned knife maker. They used a much finer grain structure and added small quantities of niobium, which is where the N comes from in the name. Because of these characteristics they were able to make the fantastic S30V easier to machine while improving toughness and ability to sharpen. With the first version of this steel being so fantastic, just imagine what CPM S35VN can do for you and your knife.

The blade has been coated with a black Diamond-Like Coating. This coating is pitch black and the hardest coting that can be put on a blade. It is said that it is so hard that when metal is cut with a DLC coated knife, the blade will get marked—by the metal that has been spread on the DLC coating. This style of coating is applied through a physical vapor deposition. This is a process where the layer is chemically bonded to the metal surface and is much harder than any tool steel can ever be. Because it is chemically bonded to the steel, it protects the blade against rust. And because it is applied in a vacuum, the coating will be completely even—with no ridges or lumps like you might find on a painted blade. The biggest advantage to this style of coating is that it is nearly impossible to scratch off, unlike many other blade coatings that scratch off after hard use.

The blade on this Zero Tolerance knife is a clip point. Clip point blade shapes are one of the two most popular blade shapes in use today because of how all-purpose and versatile they are. To form the shape of this style of knife, the back edge of the knife runs straight from the handle and stops about halfway up the knife. It ten turns and continues to the point of the knife. This area looks to be cut out or clipped out, and is referred to as the clip, which is where the blade shape got its name. On this knife, the clip is straight. Because of the clip, the tip on this knife is lowered, which means that you are going to have more control over your cuts when you are using the knife. And because the tip is controllable, sharp, and thinner at the spine, a clip point is known for being exceptional with piercing and stabbing. Another reason that these knives are so all-purpose is because it features a big belly area that is perfect for slicing. The clip point blade style really only has one disadvantage and that is how narrow the tip is. Because of this, it does have a tendency to be weak and can break fairly easily.

 

The Handle:

The handle on this knife features two different handle scales. The first one is an orange G-10 handle scale. This material is a laminate composite made of fiberglass. It has very similar properties to carbon fiber, but it is slightly inferior, so you can get it for a fraction of the cost. And while it is cheaper to produce than carbon fiber, it still has to be cut and machined into shape which is not going to be as cost efficient as the injection molding process used in FRN handles. To make the material, the manufacturer takes layers of fiberglass cloth and soaks them in resin, then compresses them and bakes them under pressure. The resulting material is very tough, hard, lightweight and still strong.

The second handle scale is made out of titanium. Titanium is a lightweight metal alloy that offers the best rust resistance of any metal. It is a little heavier than aluminum, but it is still considered a lightweight meal and much stronger. But, because of this, it is more expensive to machine. Titanium is one of the rare metals that has a warm feel to it, so it doesn’t make you suffer nearly as much in the winter time as something like aluminum. It is very sturdy. The pros of having a titanium handle scale is that it is strong, light, and corrosion resistant. The cons is that it is going to be relatively expensive and it is prone to scratches.

There is a deep finger groove in the handle that gives you a more comfortable grip, as well as a more secure grip during extreme environments. There is also a row of jimping on the spine of the handle so that you have more control when you are doing fine detail work. The butt of the handle is squared. The spine of the handle has a slight curve that fits in your palm well.

The Pocket Clip:

The pocket clip on this knife is designed for tip up carry, but it is reversible for either left or right hand carry options. This means that this knife is ambidextrous and easier to use all around. The clip is black, which matches the back handle scale.

 

The Mechanism:

This is a folding knife that opens with the patented Emerson “wave shaped feature.” The “wave shaped opening feature,” also called the remote pocket opener, is built into the back end of the blade, similar to the flipper. The unique wave shape is a hook that enables the user to open the knife as it is withdrawn from the pocket. To use this, make sure the closed knife is snugged up against the rear seam of your pants pocket, tip-up. Then you reach into the pocket to hold the handle of the knife, keeping your fingers away from the blade. Pulling toward the rear seam, withdraw the knife from your pocket quickly and steadily so that the “wave shaped opening feature” hooks on the rear seam of the pocket.  This will open the blade, and by the time its fully out of the pocket, the knife will be open and ready for use. Pull back quickly and smoothly to ensure the blade lock up.

 

The Specs:

The blade on this knife measures in at 3.6 inches long, with a handle that measures in at 4.9 inches long. The overall length of the knife when it is opened measures in at 8.5 ounces. This is a heftier knife weighing in at 6.2 ounces. This knife was made in the United States of America.

 

The Pros of the Zero Tolerance Orange Emerson Folding Knife:

  • The steel has great edge retention.
  • The steel is hard, but still tough.
  • The blade is easy to sharpen and machine.
  • The DLC blade coating is applied smoothly and evenly.
  • The coating is very dark and matte, so the glares and reflections are completely diminished.
  • A DLC coating is the hardest coating that you are going to come across, which also means that it will be the hardest to scratch off.
  • The clip point blade is very versatile.
  • The clip point boasts a big belly—perfect for slicing.
  • The clip point has a lowered tip, which means that you can easily control your cuts and slices.
  • The pocket clip is reversible for left or right hand carry.
  • The wave shaped opening feature allows you to open the knife while still in your pocket.
  • G-10 is tough.
  • G-10 is light.
  • G-10 is durable.
  • The G-10 has a bright orange color to it.
  • Titanium is strong.
  • Titanium is light.
  • Titanium is corrosion resistant—the most of all metals.
  • Titanium has a warm of it.

 

The Cons of the Zero Tolerance Orange Emerson Folding Knife:

  • The blade steel is a little bit more expensive than some of the others that offer similar qualities.
  • The coating on this knife will add a significant cost to the blade.
  • The narrow tip of the clip point style does mean that this blade is prone to breaking.
  • The pocket clip is only designed for tip up carry.
  • G-10 is brittle.
  • G-10 lacks elegance and some have complained that it feels plastic-y and cheap.
  • Titanium is relatively expensive.
  • Titanium is prone to scratches.

 

Conclusion:

The Zero Tolerance 0620/0630 series of knives are a collaboration between Zero Tolerance and Ernest Emerson of Emerson Knives. These manual folder models are renowned for their superior craftsmanship and high-end materials and are regarded as some of the best knives on the market. These models feature the patented Emerson “wave shaped feature” which allows you to deploy the blade as you withdraw it from your pocket–completely operated with just one hand. Standard on each of these knives are a front G-10 handle scale and a solid titanium back scale with a frame lock design. This limited run model, the 0630ORBLK, features an orange G-10 handle scale and an DLC coated back titanium scale and blade comprised of premium CPM-S35VN stainless steel and the pocket clip is designed for tip up carry only but is eligible for left or right hand carry options. Pick up the Zero Tolerance Short Run 0630ORBLK Orange Emerson folding knife today at BladeOps.

 

Zero Tolerance 0450G10 Short Run Knife Review

Zero Tolerance is a brand of Kai USA Ltd. The ZT brand first made its appearance in 2006 when we saw a place in the market for a Made-in-the-USA lien of hard-use knives that would meet the needs of professionals in the military and law enforcement, as well as other first responders, such as firefighters and emergency medical personnel.

The initial products were combat knives, but since that time, the line has expanded to include a variety of general use and premium knives. From larger and heavier outdoor knives to slimmer and lighter every day carrying knives that are built to ZT’s high performance standards, ZT knives always provide knife owners with top-of-the-line quality.

Zero Tolerance Knives are manufactured of premium materials such as S30V, S35VN, or CTS-204P blade steel and G10, titanium, and carbon fiber handle scales. Operation is conspicuously smooth and ZT fit and finish is second to none. Their customers have described ZT’s as a “real beast” and proudly “overbuilt.” All ZTs are built in their Tualatin, Oregon USA manufacturing facility by their most skilled workers.

Kai USA Ltd., the makers of Zero Tolerance Knives, is a member of the Kai Group. Kai is a major manufacturer and distributor of disposable razors, surgical tools, personal care products, and housewares in Japan.

Today, we will be discussing the Zero Tolerance 0450G10 knife.

 

The Blade:

The blade on this knife is made out of S35VN steel. This steel was released by Crucible and Chris Reeve as an ever so slightly superior version of their excellent S30V steel. To understand S35VN steel, you need to understand S30V steel. This first steel was also made by Crucible and has excellent edge retention and resists rust effortlessly. This steel was designed in the US and was typically used for the high end premium pocket knives and expensive kitchen cutlery. Crucible had added vanadium carbides to bring out the extreme hardness into the steel alloy matrix. Dollar for dollar, it was generally regarded as one of the finest knife blade steel with the optimal balance of edge retention, hardness, and toughness. But, this first steel was tricky to sharpen. That was the biggest complaint surrounding S30V steel. So Crucible and Chris Reeve decided to revamp it and try again. They used a much finer grain structure and added small quantities of niobium, which is where the N in the name is derived from. Because of the niobium addition, they were able to make the outstanding S30V easier to machine while also improving toughness and the ability to sharpen. Many people believe that you will find the two steels near-indistinguishable. However, if the first steel was absolutely phenomenal, just imagine how exceptional S35VN steel is going to be. You will struggle to find any steel with better edge retention, toughness, and stain resistance for your money.

The blade actually has two different finishes. The blade sports a satin finish with a stonewashed flat. To form the satin finish, the blade is sanded in one direction with increasing degrees of affine abrasive, which is generally a sandpaper. A satin finish shows the bevels of the blade while also showcasing the lines of the knife and reducing its reflective glare. The finer the abrasive that is used, the ore even the lines; the more lean the satin finish blade looks. This is a semi shiny finish with a luster falling between bead blasted and mirror polish. This is also the most popular finish on production knife blades. To form the stonewashed finish, the steel is literally rolled with pebbles and then smoothed. This finish easily hides scratches, while also providing a less reflective nature than a brushed or satin finished blade. But, depending on the manufacturer, a stonewash finish can often look satin from a distance. A very positive benefit of stonewashed blades is that they are low maintenance and preserve their original look overtime; the stonewashed finish hides the scratches and fingerprints that can occur with use over time. Because of its ability to hide the fingerprints so well, the blade might not need to be polished as often as others with different finishes.

The blade on the Zero Tolerance 0450G10 has been carved into a drop point blade shape. This is a knife that can stand up to almost anything while also being able to perform a wide variety of tasks. One of the most common places that you are going to find a drop point blade shape in use today is on hunting knives, but it is not uncommon to find this blade shape on a variety of other styles of knives, especially Swiss army knives. To form this blade shape, the back, also known as the unsharpened, edge of the knife runs straight form the handle to the tip of the knife in a slow curving manner, which creates a lowered tip. It is this lowered tip that adds strength and control to your knife, which makes it a great option for tactical and survival knives. In tactical and survival situations, you are going to need a large amount of tip strength and the drop point blade style gives you just that. It is because of the controllable nature of this blade shape that makes this style such a popular choice on hunting knives. The lowered, easily controlled point makes it easier to avoid accidentally nicking internal organs and ruining the meat. The drop point blade style also is a popular blade option on everyday carry knives because of the large belly area that is perfect for slicing. The majority of your everyday tasks are going to involve some sort of slicing, so the large belly on this knife gives you the best capabilities to accomplish those tasks. When you choose a knife with a drop point blade shape, you are choosing a knife that can be used in many different situations from hunting and survival to your everyday tasks. This is because the drop point blade shape can take on the expected and unexpected without batting an eye.

This knife has been designed to take on a wide variety of different tasks, so ZT gave it a plain edge. This is the more traditional edge that is capable of taking on slicing, skinning, peeling, and push cuts. The plain edge blade style has been known for excelling at a wider variety of tasks as opposed to a combo or serrated edge. The plain edge gives much cleaner cuts than a serrated style blade. And, the plain edge is going to be much easier when it comes to sharpening, because you don’t have to worry about the specialty sharpening tools required to take on the teeth.

 

The Handle:

The handle is made out of G10 and Titanium. The front handle scale on this folder knife is made out of black G10. G10 is a grade o laminate composite made of fiberglass. It has very similar properties to carbon fiber, except that you can get it for almost a fraction of the cost. And although it is cheaper to produce than carbon fiber is, it still has to be cut and machined into shape, so it is not as cheap as something like an FRN handle would be. To make this material, the manufacturer will take layers of fiberglass cloth and then soaks them in reins. After they have been soaked, the layers of compressed and then baked under pressure. The material that you get is tough, hard, lightweight, and still strong. Actually, G10 is considered to be the toughest of all the fiberglass resin laminates and is stronger, although it is more brittle, than Micarta. This material is an excelled option for tactical and fixed blade knives because it is so durable and lightweight, but still non-porous.

Zero Tolerance 0450G10
Zero Tolerance 0450G10

The back scale on the 0450G10 is made out of Titanium. Titanium is a lightweight metal alloy and it offers the best rust resistance out of any metal. It is often compared to aluminum, although it is a little heavier and much stronger. Even though it is heavier than aluminum, it is still considered a lightweight metal. However, it is much more expensive to machine than aluminum. Titanium has a unique quality to it in that it has a warm feel to it, so it doesn’t make you suffer nearly as much in the winter time as something like aluminum. Unfortunately, titanium is prone to scratching, especially when being compared to stainless steel. Many knife manufacturers will act like titanium is the top dog and can do no wrong, but it is far from indestructible and not all of the titanium alloys are as strong as stainless steel.

The handle has a finger guard, ad deep finger groove, and anther groove to give your hand a comfortable place to rest. The butt of the handle does flare out slightly and there is a lanyard hole carved out of the handle. When you are using this knife for your EDC, the lanyard is perfect for hanging out of your pocket to give you easy access to your knife, while still keeping your knife concealed.

 

The Pocket Clip:

This knife has a reversible titanium pocket clip that has been designed for tip up carry only but it is eligible for a left or right hand carry option, helping to make this an ambidextrous knife.

 

The Mechanism:

This knife is a manual opening knife that uses a flipper mechanism to assist you. While thumb studs and holes enlist a thumb to open the knife, a flipper employs your index finger, and the feature is naturally ambidextrous. This mechanism is a small protrusion that extends out of the spine of the handle when the knife is closed. You pull back on this flipper and it pops the blade out of the handle.

This knife also is equipped with KVT ball-bearing system. The KVT opening system is a manual opening system that enables smooth, easy blade opening without the use of a spring or torsion bar to assist the blade out of the handle. Instead, the KVT system uses a series of ball bearings that surround the pivot point of this knife. As a knife user pulls back on the flipper blade protrusion, the ball bearings rotate so that the blade glides out of the handle then locks into place, ready for use.

The 0450G10 blade also sports a frame lock. The frame lock is very similar to a liner lock except that a frame lock sues the handle to form the frame and therefore the lock. The handle, which has two sides, is often cut form a steel that is much thicker than the liner of most locks. Just like the liner lock, the frame lock is situated with the liner inward and the tip engaging the bottom of the blade. The frame lock is released by applying pressure to the frame to move it away from the blade. When it is opened, the pressure of the lock forces it to snap across the blade, engaging at its furthest point. Frame locks are known for their strength and thickness.

 

The Specs:

The blade on this knife is 3.25 inches long with a thickness of 0.121 inches. The overall length of this knife is 7.4 inches long, with a closed length of 4.1 inches long. This Zero Tolerance knife weighs in at 2.6 ounces.

 

Conclusion:

Based on the streamlined form and high-performance function of the original ZT + Dmitry Sinkevich collaboration—the 0454—and on its more-compact cousin, the 0450, the 0450G10 sprint run knife comes with a handsome G-10 front scale. The G-10 gives this 0450 a discreet look, while its 3.25-inch blade and lightweight-yet-stronger-than-steel titanium frame, make it an easy-to-carry EDC. ZT built the 0450G10 with an S35VN stainless blade that sharpens to a razor edge, holds that edge well, and then can be sharpened easily. The knife opens smoothly and easily with our KVT ball-bearing opening system and built-in flipper. A titanium frame lock with hardened steel lock bar insert ensures solid lock up, too. Pick yours up before these run out forever.

 

The Zero Tolerance 0460 Knife Review

Kai USA, Ltd is a major player in the knife industry that operates Kershaw Knives, Shun knives and Zero Tolerance Knives. Kai is a major manufacturer and distributor of disposable razors, surgical tools, personal care products, and housewares in Japan. For over 100 years, Kai has been the leading manufacturer of premium blades in Japan. They strive to be innovative and produce ground breaking new technology.

Zero Tolerance first hit the markets in 2006 when Kai saw a place in the market for made in the United States of America knives that could endure heavy and hard use. These knives were built to meet the needs of professionals in the military and law enforcement, first responders, and fire fighters and emergency medical personnel.

The first products that Zero Tolerance released were combat knives, but in the past decade, they have expanded to include a variety of general use and premium knives. They carry anything from larger and heavier outdoor knives to slimmer and lighter every day knives. All of these knives are built to meet Zero Tolerance’s high performance standards and have been built with the top of the line quality.

Zero Tolerance has developed a reputation of being proudly “overbuilt”. What does that even mean? It means that Zero Tolerance will only use premium materials for their blades and handles. Some of these materials include S30V, S35VN, and CTS 204P steel, along with titanium and carbon fiber for the handles. The operation of these knives are conspicuously smooth and Zero Tolerance’s final fit and finish is second to none. All of Zero Tolerance knives are built in Tualatin, Oregon, USA. The knives are designed, created, and put together by the most skilled workers.

One of Zero Tolerance’s newest knives is called the 0460 and will be a showstopper.

 

The Blade:

The blade on this knife is made out of S35VN steel. This type of steel has a long history behind it that proves how excellent it really is. Crucible manufacturing released a S30V steel years ago. This steel was a fantastic steel that had been designed for knives. This means that they were able to take all of the traits people look for in a blade steel and make the perfect steel. It gained the reputation of having the perfect balance between edge retention, hardness, and toughness. This is a tricky thing to perfect because in most cases, the harder the steel is, the less tough it is, and vice versa. But with the addition of vanadium carbides into the steel, they were able to draw out the extreme hardness without damaging the toughness of the steel. This was a masterpiece. However, customers did complain because of how tricky it was to sharpen. Not many beginners were able to accomplish this and many people had to resort to a sharpening professional. So Crucible and Chris Reeve decided to set out and redo this steel. They started out by using a finer grain stricter and also added small quantities of niobium, which is where the N comes from in the name. Because of these two characteristics, they were able to improve the toughness of the steel and they improved the ability to sharpen the steel by tons. This steel is just as hard, holds an edge just as well, resists rust effortlessly, is tougher, and is easier to sharpen. How phenomenal is that? S35VN steel is considered a premium steel and you definitely get your dollars’ worth when you purchase a knife with this steel.

The steel has been finished with a stonewash finish and then a machine satin finish on top of that. The stonewash finish has a variety of benefits and is actually one of my favorite finishes. The steel is tumbled around with small pebbles to create a textured look. After it has finished tumbling, the steel is smoothed out and polished over. The stonewash finish easily preserves the look of the blade for long periods of time and works effortlessly to hide nay fingerprints or scratches that the blade will accumulate over time. Because of these characteristics, it cuts down on maintenance time. After the S35VN steel has been through the stonewash finish, Zero Tolerance put a second machine satin finish on top. A satin finish is created by sanding the blade in one direction with increasing degrees of a fine abrasive; normally sandpaper. The stain finish shows off the lines of the knife, while also reducing tis reflections and glares. Because a satin finish takes time, it usually does increase the cost of the knife overall. By combining these two finishes, you get a very classy look. While it is textured from the stonewash finish, the satin finish truly shows off the lines in the steel and you get an excellent dark gray, matte look to your blade.

The shape of the blade on the 0460 is a unique one. It is considered a drop point, but it has a more upswept tip than you would normally find. You still get many of the benefits that a drop point style blade offers you. The tip is lowered because the unsharpened edge slowly curves down wards until it meets the sharpened edge at the point. Because this knife features more of an upswept look, it is not as dropped as you would normally find. You still will have plenty of control over your cuts as you utilize the tip of your knife. One of the other differences between this blade shape and the normal drop point blade shape is that the upsweeping motion of the blade creates a less broad tip. This is a benefit and a disadvantage. For starters, you will have more stabbing capabilities because the tip does come to a finer tip than on average. However, because it comes to a finer tip, it is not as strong as the average drop point blade. On the flip side, it is still considered a broad tip and you will have plenty of strength backing all of your cuts. This is still a very versatile blade shape because it also sports a large belly area that helps make slices and cuts a breeze.

 

The Handle:

To match the blade on the 0460 knife, the handle is also very unique in an elegant manner. The front handle scale is made out of carbon fiber and the back scale is made out of stonewashed titanium.

Carbon fiber is a generic term that encompasses the materials that have been made out of strands of carbon that have been tightly woven and then set in a resin. Carbon fiber is a reinforced polymer. This is an extremely strong material that is lightweight and won’t weigh your knife down. However, it is also more expensive than many of the other handle materials. Even though it is so extremely strong, it is a brittle material. This is because all of the fibers in the material have been woven together in one direction. So when they are being stressed in that one direction, the material is almost unbreakable. However, when the fibers are stressed in other directions, they become weak and are prone to breaking or cracking. This means that if this handle scale is bumped against a sharp or hard object, it might crack. One of the major benefits about carbon fiber is that you can switch up that pattern based off of how the fibers have been woven. The pattern on this handle scale is a diagonal checkered pattern. And Zero Tolerance has manipulated the carbon fiber to be a bronze color. This handle scale looks very elegant and modern.

The other handle scale has been made out of titanium. Titanium is also an excellent material for your knife handle. Often times, the titanium is compared to aluminum and while they do have many similar properties, titanium is the superior of the two. Titanium is heavier than aluminum, but it also is a lightweight metal alloy and won’t weigh your knife down. With the extra weight that you get, you get much more strength. Titanium also is one of the metal alloys that has a warm feel to it, so if you are working in a cold environment, this is an excellent handle choice of you. Titanium is expensive to machine and is prone to scratches. To finish off the titanium to help protect it, Zero Tolerance finished it with a stonewash finish, matching the blade.

The handle has an elongated finger groove carved into it to provide you with fantastic grip. There is also shallow jimping across the top half end section of the handle that will also help you with grip.

 

The Pocket Clip:

The pocket clip is black to match the other hardware on the knife. The pocket clip is connected to the titanium handle scale, so the black adds a nice, industrial contrast. The clip is a single position clip meaning that it can only be right hand carried with the tip of the knife up.

 

Zero Tolerance 0460
Zero Tolerance 046002

The Mechanism:

This is a manual opening knife that uses a flipper to assist you. The flipper on this knife is more triangular than you would normally find, helping to give it the modern look. To deploy the blade on this knife, you push down on the flipper that protrudes from the spine of the handle when the knife is closed. This puts enough pressure on the blade and flips it into place and is then locked and ready to use. To lock the blade into use, Zero Tolerance used a titanium frame lock and a hardened steel lock bar insert. With these two pieces, you won’t have to worry about the knife coming unlocked in the middle of use.

The 0460 knife also sports Zero Tolerance’s KVT ball bearing manual opening system. When explaining the KVT system, ZT has said, “The KVT opening system is a manual opening system that enables smooth, easy blade opening without the use of a spring or torsion bar to ‘assist’ the blade out of the handle. Instead, the KVT system uses a series of ball bearings that surround the pivot point of this folding knife. As a knife user pulls back on the flipper blade protrusion or pushes outward on the thumb stud, the ball bearings rotate so that the blade glides out of the handle then locks into place, ready for use.” This technology is innovative and groundbreaking, making manual opening smooth. Plus, with the use of this system, you can easily open this knife with only one hand.

 

The Specs:

This knife is made in the United States of America. The blade on this knife is 3.25 inches long with a thickness of 0.121 inches. When the 0460 knife is opened, it measures in at 7.5 inches long and sports a closed length of 4.4 inches long. This knife weighs in at 2.3 ounces.

 

Conclusion:

Over the past decade, Zero Tolerance has earned a reputation of being proudly overbuilt. This is because Zero Tolerance only uses the finest of materials and their operation is smooth. Their final fit and finish is second to none. With the combination of these three characteristics, your Zero Tolerance knife is able to last through the ages with you. Your Zero Tolerance knife will be able to assist you in all of your adventures, even the heavier duty ones, because they have been designed to take a beating.

This knife is Sinkevich designed and has been modeled after the original 0450 knife. This time, they added more overall length and more curve to the normally traditional blade and handle. Because of the flipper mechanism, this knife can be opened ambidextrously and the KVT ball bearing system makes the opening smooth. The different handle scales add a touch of modern to the classic knife. The stonewashed blade will have its look preserved overtime. And knowing that this knife was made in the USA is just the cherry on top. This is a fantastic option for your knife collection.  Find the 0460 and all the Zero Tolerance knives here on our website–in stock and ready to ship.

Zero Tolerance 0801TI Knife Review

Zero Tolerance is a sub brand of Kai USA Ltd. For over 100 years now, Kai USA Ltd has been the leading producer of premium blades in Japan. Not only that, but they also are a major manufacturer and distributor of disposable razors, surgical tools, personal care products, and housewares. All in Japan. Kai is dedicated to innovation and quality products.

Zero Tolerance came about in 2006 when they saw a pale in the market for a Made in the USA line of knives that could take a hard beating. It was people like military and law enforcement and other professionals that needed this type of knife. Ever since the first knife was introduced to the market, they have been a big hit. The very first products were combat knives, but in the last decade, they have expanded their line to include a variety of general use and premium knives. They carry anything form the larger and heavier outdoor knives to the slimmer and lighter every day carry knives.

In the last decade, Zero Tolerance has built a reputation of being “overbuilt”. What does this even mean? It means that Zero Tolerance uses only premium materials like S30V or CTS 204P steel. For the handles, they use materials such as G 10 and carbon fiber. When they put these materials together, the operation is conspicuously smooth and the Zero Tolerance fit and finish is second to none.

Zero Tolerance knives are built in Tualatin, Oregon. They are proud to be an American company that uses only the most skilled workers to create an exceptional knife.

Zero Tolerance has recently introduced a brand new knife called the 0801TI Titanium. This knife fits into the regular Zero Tolerance reputation and will be an excellent addition to your knife collection.

 

Zero Tolerance 0810TI
Zero Tolerance 0810TI

The Blade:

The blade on 0801TI Titanium knife has been carved out of S35VN steel. This steel is produced by Crucible and Chris Reeve and was introduced to the market in 2009. Years before that, Crucible releases S30V steel. This first steel was designed specifically for use on knife blades. It gained the reputation of having the perfect balance between edge retention, hardness, and toughness. This steel also resisted rust effortlessly and was used for the high end premium pocket knives and expensive kitchen cutlery. The way that Crucible kept the hardness and toughness was by adding vanadium carbides into the steel. Even though this steel was phenomenal, it was hard to sharpen. So, Crucible and Chris Reeve designed to upgrade this original steel to meet the cries of their customers: the steel needed to be easier to sharpen. To do this, they used a much finer grain structure and added small quantities of niobium, which is where the N comes from in the S35VN. These two changes made the steel easier to sharpen while also improving toughness, but keeping the same hardness behind it. This steel also maintains its edge exceptionally while resisting rust effortlessly. If the first steel gained such a strong following, just imagine how fantastic S35VN steel is.

The blade is finished with a stonewash finish. To create this look, the steel is tumbled around with an abrasive material, normally small pebbles. Once the process is completed, the steel is smoothed over and polished. The resulting look is a textured, rugged, gray look. Some benefits of the stonewash finish is that the finish cuts down on reflections and glares. The biggest benefit to this finish is that it preserves the look of the blade overtime. Because the stones created a textured look, a stonewash finish helps to hide scratches and fingerprints that accumulate overtime. Having the scratches and fingerprints hidden significantly cuts down on maintenance time.

The steel has been cut into a drop point blade shape. This is one of the most versatile blade shapes that you can find on the market. The shape is created by having the unsharpened edge slowly curve until it hits the sharpened edge the point. This creates a lowered point which presents you with a handful of benefits. The lowered point gives you more control over your cuts and slices which allow you to do delicate details or precision slicing. Because of the added control, the drop point blade shape is very popular among hunters: they don’t have to worry about nicking any of the organs or damaging the meat of their game. Another one of the benefits that the lowered point offers is that the lowered point makes it a broader point. This gives you more strength to perform almost any task without having to worry about your point snapping. The tip strength makes this a popular shape on tactical or survival knives. One of the other reasons that it is such a versatile blade shape is because the blade sports a large belly. This belly allows you to slice with ease. One of the only real disadvantages to the drop point blade shape is its broad tip. Because it is so broad, you don’t have many piercing or stabbing capabilities.

 

The Handle:

The handle on this knife is made out of Titanium, just like the name states. There are so many benefits to having a titanium handle. For starters, titanium offers the best rust and corrosion resistance out of any metal. While this material is heavier than its brother aluminum, it is still considered a lightweight metal alloy and will not weigh down your knife. For the small amount of extra weight that you get with a titanium handle, you get much more strength. The added weight is completely worth it. But, because it is stronger, it is harder to machine, which means that it is more expensive to machine. One of the most unique characteristics about titanium is that it actually has a warm feel to it, so if you are using this knife in colder environments, the handle won’t bite into your hand like an aluminum handle would. One of the drawbacks to the titanium handle is that it is prone to scratches, especially when comparing it ot stainless steel.

While titanium is a slippery metal, it can be texturized with different finishes. The finish on this handle is bead blasted, which helps to add texture and provide you with a secure grip. The bead blasted finish is created by blasting small ceramic or glass beads at the titanium at high pressure. This creates an even, matte, gray handle. Because it is matte, there is almost no glares or reflections on this handle. However, one of the drawbacks to this finish is that it does create micro abrasions in the surface of the titanium. This makes it more prone to rusting. In fact, bead blasted metals have been known to rust overnight when in a humid or wet environment. To prevent any rusting, you just have to be sure that you oil your handle and never let it remain wet. Also, store it in a dry environment.

At one end of the handle, there has been a lanyard hole drilled into it. There are so many benefits to having a lanyard tied onto your handle. For starters, you can add a little bit of personal style based off of which lanyard you choose to tie onto it. Another benefit is that it can add extra grip to the titanium handle: when you are using it, if you fold the lanyard onto the palm side of the handle, it helps to give you a little extra grip. One of the last great reasons to tie a lanyard onto your knife is that it provides you with a little extra sight, in case you drop it in a tight or dark area. Lastly, you can easily tie your knife to your belt or pack to keep it secure against loss.

 

Zero Tolerance 0810TI
Zero Tolerance 0810TI

The Pocket Clip:

The pocket clip is black to contrast against the gray handle. The black also matches the rest of the hardware on this knife. The pocket clip has you carry the knife tip up only, but can be reversed for either left or right hand carry. This helps to make the knife ambidextrous friendly. Another advantage of this pocket clip is that it is a deep carry clip, which helps to keep your knife safe and secure inside of your pocket.

 

The Mechanism:

This is a manual opening knife, which is a huge benefit because it does not have any of the strict laws surrounding them that an automatic knife would. This knife features the flipper manual opening mechanism. This is a shark’s fin shaped protrusion that extends out of the handle when the knife is closed. You push on this flipper and the pressure flips the blade out of the handle.

This knife also sports the KVT Ball Bearing Opening System. This system is designed to enable smooth and easy one handed opening, without the use of a spring or torsion bar. The system uses a series of ball bearings that surround the pivot point on this knife. When the user pulls back on the flipper, the ball bearings rotate so that the blade glides out of the handle then locks into place, ready for use. The blade is secure against closing, even when you are using this knife for heavy duty tasks.

This knife sports a frame lock.

 

The Specs:

This knife is made in the USA. The blade on it is 3.5 inches long with a blade thickness of 0.156 inches. When the knife is opened, it has an overall length of 8.2 inches long and measures in at 4.7 inches long when closed. The Zero Tolerance 0801TI Titanium knife weighs in at 5.6 ounces.

 

The Pros of the Zero Tolerance 0801TI Titanium Knife:

  • The premium steel used on the blade gives you the perfect balance between hardness, toughness, and edge retention.
  • The steel on the blade is easy to sharpen.
  • The blade’s steel resists rust effortlessly.
  • The stonewash finish hides scratches and fingerprints.
  • The stonewash finish on the blade preserves the look of the blade overtime.
  • The drop point blade shape is extremely versatile.
  • The lowered point gives you more control and strength.
  • The blade sports a large belly that makes slicing a breeze.
  • Titanium is lightweight but still provides a large amount of strength.
  • Titanium actually feels warm to the touch, so using this knife in a cold environment won’t be painful.
  • Titanium is the most rust resistant metal out there.
  • The titanium has been finished with a bead blast to add texture.
  • The bead blasted finish cuts down on glares and reflections.
  • There is a lanyard hole drilled into the handle.
  • There are grooves cut into the edge of the handle to add extra texture.
  • The pocket clip is reversible.
  • The pocket clip is a deep carry pocket clip.
  • Manual flipper opening mechanism.
  • Sports a frame lock.
  • Sports a KVT Ball Bearing Opening System.
  • Made in the USA.

 

The Cons of the Zero tolerance 0801TI Titanium Knife:

  • The drop point blade shape inhibits you from having stabbing or piercing capabilities.
  • Titanium is prone to scratches.
  • Titanium is expensive to machine.
  • The Titanium handle has been finished by bead blasting it, which does make it more susceptible to rusting or corroding.
  • The pocket clip can only be carried tip up.
  • Because it is a manual knife, it will not open as quickly as an automatic knife would be able to.

 

Conclusion:

Zero Tolerance has been around for a little over a decade now. Since the first few combat knives to now, Zero Tolerance has gained the reputation of being proudly overbuilt. This means that they only use the highest quality materials and have a seamless manufacturing system. The final fit and finish is second to none. The 0801TI Titanium knife is just as fantastic as their others, you can pick one up here. They started with a premium steel and used high quality titanium for the handle. The versatile blade shape makes this knife the perfect option for your everyday carry knife. The details on this knife are all just bonuses.