The Trident folding knife uses SOG's well-proven means of delivering a knife blade to the open position. The SOG Trident uses S.A.T. (SOG Assisted Technology) and incorporates their patent pending Arc-Actuator, making the Trident locks stronger and easier to release. There is also a built-in safety that locks the blade in the closed position. Matte Black blade finish, Combo edge with Serrated and Straight. Blade 3.5" Overall 8.5"