Material:Real carbon fiber
1. Made of 100% carbon fiber material: very hard, and toughness can protect the fingers from injury
2. 5 times harder than steel they make your fist rock solid.
3.Ergonomic design, the overall structure is beautiful, the grip is comfortable and easy to attack.
4.It has a lightweight and high strength, Smooth and comfortable, protect your fingers
5.Brass knuckles can be used only within the limits of self-defense or extreme necessity.
6.You can put it in the car，break the window and related hard objects to save yourself.
7.In our own factory, you can customize the shape you like.