Aegis (ee-jis), which in Greek means shield or protection, is also the code name for the worlds premier integrated air defense system and the sea-based element of the United States Ballistic Missile Defense System. SOG"s comprehensive Aegis line of premier folders is fully integrated with top end systems. Start to open the knife and let Aegis Finish: the action with a bang, using one of the surest assisted technologies (S.A.T.) out there! SOG"s trademark bayonet reversible clip, built in safety with green and safely locked, checkered DigiGrip handle to make Aegis a platform for today"s changing world. Cover your back with Aegis outdoor or tactical blades. Specifications: Finish: Hardcase Black TiNi Blade Shape Clip Point Edge Type: Straight Blade Steel Type: AUS-8 Hardness: Rc. 57-58 Overall Length: 8.25" Closed Length 4.75" Product SOGight: 3.10 oz Blade Length: 3.5" Blade Thickness: 0.13"