The Smith & Wesson Twist knife features a quick automatic action using a concealed scale release. You twist the base of the handle scale and the blade snaps open. Built with a 440C stainless steel drop point blade and durable 6061 T6 aluminum handles, the SW1300 also features a lanyard hole and a pocket clip for convenient carry. This is a fantastic, made in the USA, small auto knife that is perfect for everyday carry. . SPECIFICATIONS: Overall: 6 1/8" Blade: 2 1/2" Weight: 3 oz.