The SOG SOG-TAC Mini Automatic Knife Black TiNi Combo Serrated Tanto Blade ST-13 is made from AUS-8 and anodized 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 6.75", closed 3.75" with a blade length of 3" and a cutting edge of 2.875"and a hardness of RC 57-58. It weighs in at 2.50 oz. It has an easy carry belt clip.