This is a bull-head style brass knuckle duster, a four-finger self-defense tool. It is entirely black with a smooth, metallic surface. The finger rings are wrapped with black braided rope to enhance grip and prevent slippage. Its dimensions are clearly marked: total length 12cm, height 7.3cm, base width 7.5cm, single finger ring thickness 1.2cm, and weight 170g. The sturdy construction fits snugly in the hand when clenched into a fist, enhancing striking power and protection.

This product is commonly used for outdoor self-defense, emergency window breaking in vehicles, and combat training, combining practicality and deterrence. Made of zinc alloy, it possesses high hardness and wear resistance, making it suitable for self-rescue and escape in emergency situations.

What's in the box
2 x Knuckle