General description The US PRO Lump Hammer is a robust double face club hammer designed for heavy-duty tasks. Weighing 2.5 lb (1.13 kg), it features a fibreglass handle engineered for strength and durability, making it ideal for stoning and other applications. Technical specifications Weight: 2.5 lb (1.125 kg) Length: 275 mm (11 inches) Drop forged head hardened to HRC 50-58 Handle composition: more than 60% fibreglass Other information 1 Year Warranty Non-slip finish for improved grip Patented method for securing the head to the handle Polished face for enhanced performance