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 each feature a side striking face that is not hardened and is designed for striking wooden posts. A shock-absorbing TPE grip handle is designed for maximum comfort. This Gorilla Mini Sledge Hammer has the following specification: Weight: 1.8kg (4 lb).Length: 345mm.