S&W M&P Linerlock. (Military & Police) Large Assisted Opening. 5 closed. 3 1/2" black finish 4034 stainless standard edge assisted opening blade with thumb lug. Blade is etched M&P. Black aluminum handles with black sure grip rubberized inlay. Integrated glass breaker. Pistol style side safety lock. Black finish stainless pocket clip." 5" closed. 3 1/2" black finish 4034 stainless assisted opening blade with thumb lug. Blade is etched M&P. Black aluminum handles with black sure grip rubberized inlay. Integrated glass breaker. Pistol style side safety lock. Black finish stainless pocket clip.