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: 3.6kg (8 lb).
Length: 780mm.