Big Finger Hole Aluminum Knuckle Duster

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

This is a lightweight aircraft aluminum knuckle with large finger holes designed to fit everyone's hand. Strong and durable, lightweight and easy to carry. Multi-cord hole design, you can freely wrap the cord or pendant for decoration.