Assault Steel Knuckle Duster Self Defense Window Breaker Guard

Material: 304 stainless steel
Size: 119mm*75mm*14mm
Finger hole: 26mm*24mm
Weight: about 417g

This knuckle is made of solid 304 stainless steel one-piece molding, the front end of the protruding design, you can easily break all the obstacles, effective protection, is a worthy of self-defense tool!