Ergonomic Aluminum Knuckle Duster Outdoors

Material: aviation aluminum
Size: 107mm * 76mm * 14mm
Finger hole width: 22mm 23mm 23mm 21mm
Weight: about 162g

Made of aviation aluminum one-piece molding, Lightweight ,strong and durable, suitable for carrying and using on the go, large finger hole design, comfortable grip, suitable for all hands.