SOG Flash II A/O Part Serrated 4 1/2" closed. AUS-8 stainless satin finish partially serrated drop point blade with ambidextrous thumb studs. Black Zytel handles. Lanyard hole. Features S.A.T. (SOG Assisted Technology). This mechanism helps propel the blade open once the operator has initiated the one-handed opening action. Sliding bolt action with piston lock mechanism. Additional safety lock when blade is closed. Ambidextrous clip device is easily interchanged and provides a low profile carry.