The handle is made of hard plastics, the is non slip design, not easy to slip. Long time work is not tired, ergonomically designed, you not feel tired after long-term use. The housing is made of fine hardness aluminum casting material, which is more serviceable and strong. Alloy steel -head, , labor-saving and efficient. The fine strength link rod can better suitable the drill., Weight: 1.10892517786 Pounds, Manufacturer: Awwertse