Smith & Wesson CK5TBS Extreme Ops, Tanto Knife, Black Handle, Black ComboEdge. The Smith & Wesson CK5TBS Extreme Ops Tanto Knife features a 3.22" Tanto blade made of 440C stainless steel. The blade has a black titanium powder coating finish, with dual thumb studs for ambidextrous one hand opening. The handle is made of textured aluminum scales, 4.06" closed, and a liner lock. A removable stainless steel pocket clip is included. Weight: 2.8 ounces.