Hexagon head drill bit set selected from Industrial steel bit, hardened to reduce wear outs ensures their durability Can be used with electric screwdriver, hand screwdriver, electric drills, combination general purpose tool and any standard drill Usually used for mechanical equipment, automobiles, motorcycles, furniture, electronic equipment Small in size and lightweight, to carry around Strong tip can easy to hold the screws and tightly absorb the screws Not slipping during use The magnetism not decay after multiple use, Manufacturer: ZYKEJJDDAK