Leatherman Tools- 830333 -K500x Lock Back Multi Tool Knife with Black Nylon Sheath ( 3.1" 154CM Blade ) The k500x was created specifically for rigorous use by avid hunters. Its traditional lockback design and comfortable, durable handle materials make working with the knife blade a breeze. And because the blade is made of premium 154CM stainless steel, it will hold its cutting edge three times as effectively as typical stainless knives. k500x Tools 1 Carabiner/Bottle Opener 2 154CM Blade k500x Features A Locking Blade B Replaceable Pocket Clip C Thumb Stud