Skeleton Hammer Buckle Knuckle Silver. The durable steel construction is designed to withstand intense impact force. It is electroplated to resist the elements, scratching, and chipping, and to improve overall durability. The polished silver finish will look great, even after it has been through the ringer. The brass belt hole pin is included and makes it easy to keep on your belt. Show it off or express your brute force intimidation. Overall Length: 4.25 Inches. Construction: Steel, Four Hole. Finish: Electroplated, Silver, Polished. Includes: Belt Hole Pin.