The Viper-Tec Knuckle OTF Pocket Knife is one of the meanest knuckle knives around! Featuring a fully-functional, double action OTF opening, the stainless steel, spear point blade is ready to deploy at a moment’s notice. The knuckle handle is crafted of metal alloy to help maintain extreme toughness and it has a carbon fiber inlay pattern. The OTF pocket knife has an overall length of 9” and it features a glass breaker and a pocket clip for ease of carry, plus, a nylon sheath is included. When you purchase a Viper-Tec Knife, you get a manufacturer's lifetime warranty.