Skull Biker USA Brass Knuckles OTF Knife

The 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.

Overall Length 9.5" Inches

Blade Length 3.5" Inches

The diameter of the finger holes is 2.7cm/1.06inches