The Groz Copper Head Sledge Hammer with indestructible handle is the ultimate safety tool; designed for mining and automotive applications. Constructed with spring steel bars that are locked into the head with a steel locking plate, ensures that the head remains securely attached to the handle. The ergonomic rubber grip handle absorbs vibration and reduces fatigue. Forged from 99.9% pure copper, the spark-free hammer head reduces the marring of struck surfaces. These hammers are used in flammable and explosive places such as mining, petrochemicals, oil & gas pipelines, rigs and metal forming.