Benchmade H&K Turmoil OTF Auto Knives Benchmade 14808 H&K Turmoil OTF Automatic Knife The brand new Benchmade H&K Turmoil OTF Knife just showed up and is available for purchase. They look and feel fantastic. Has fast action. D2 Tool Steel blade for heavy and hard use. 6061 T6 anodized aluminum handle.