This is one the finest copper hammers for sale in the UK. It has been superbly designed by engineers who these on a daily basis. It is primarily used to loosen tight items without causing any damage. Designed by professional for professionals. The copper head on its own weighs over 400gms and is 48mm wide. The hammer has a triple purpose. Obviously the copper end for direct hit and with medium hardness plastic and rubber screw in heads for loosening more delicate items without causing damage. The extra woven fiberglass handle gives tremendous strength whilst the very unique design of how the head sit in the end of the handle. The hand grip on the also is specially designed to be anti-slip and extra thick to help soften the blow and after shock to the hands and arms.