S&W ExtremeOps Linerlock Black. 4 1/8 closed. Black titanium powder coated partially serrated 440C stainless tanto blade with ambidextrous thumb studs. Black aluminum handles with drilled hole design. Stainless pocket clip." 4 1/8" closed. Black titanium powder coated partially serrated 440C stainless tanto blade with ambidextrous thumb studs. Black aluminum handles with drilled hole design. Stainless pocket clip.