Features: Hex head drill bit set selected from Industrial steel bit, hardened to reduce wear outs. ensures their durability. Small in size and lightweight, convenient to carry around. Strong magnetic tip can easy to hold the screws and tightly absorb the screws. No slipping during use. The magnetism not decay after multiple use 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. Specifications: Component:ABS+Aluminum Length:Approx.100mm/3.94inch Package Includes: 12Pcs Drill Bit 1Pc Handle note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.