The SOG-TAC is made from AUS-8 and 6061-T6 aluminum and features a contoured handle for maximum grip, making it ideal for self-defense. Durable and quick to open, SOG-TAC is a reliable automatic for the toughest of situations. It's overall open length is 8", closed 4.5" with a blade length of 4.5" and a cutting edge of 3.5"and a hardness of Rc. 57-58. It weighs in at 3.80 oz. It has a reversible low-cerry belt clip.