Precision Steel Assault Self Defense Knuckle Duster

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

This is a sturdy 304 stainless steel knuckle with a cutting edge design that can easily break windows for self defense. With large rope holes, you can freely DIY wrap the rope or pendant for decoration