Roughneck Gorilla Sledge Hammers are precision forged from high-carbon steel. Each sledge hammer features a dome-shaped striking point for exerting concentrated force. They also have a larger than normal striking face with chamfered edge for general use. Both of these striking faces are induction heat-treated for hardness. The hammers also feature a side striking face which is not hardened and is designed for striking wooden posts. A shock absorbing TPE grip handle is designed for maximum comfort. This Gorilla Sledge Hammer has the following specification: Weight: 5.5kg (12 lb). Length: 780mm.