Biker USA Knuckle OTF Knife - Gold Handle Ninja Martial Arts Inner Circumference: 26

Inner Circumference: 26

The butt end of the knife is home to the infamous retention ring which allows for not only weapon retention under duress but also for advanced flailing & spinning techniques

Nylon Pouch

Material:  Polyurethane Foam

Biker USA Knuckle OTF Knife - Gold Handle Ninja Martial Arts Inner Circumference: 26The Biker knuckle OTF is one of the toughest knives we carry. It is a double action OTF knife with 440 stainless steel blade. The knuckle handle is full aluminum zinc alloy that includes a pocket clip and glass breaker stub. The glass breaker is a great tool to have for emergency situation where a window may need to be broken. The side of the handle features a slide that you push up to deploy the blade and in the same motion pull back to retract. This