DescriptionThis drill bit set is made of premium material, which can withstand long-lasting use. Features the steel material, which has high durability, not easy to deform. Fine workmanship, ensures practicality.Features-Color:Silver -Material:Steel -Size:4.80X0.60X0.60cm/1.89X0.24X0.24in Hexagonal handle diameter: General Specifications 6.35mm (1/4 Socket) - The cutter head is precision forged, which is tightly engaged with the screw, stable and not easy to slip, and the use is more efficient. - Made with premium steel, bits are magnetic, which can easily hold screws during installation. - Suitable for electric screwdrivers, manual screwdrivers, electric drills, and pneumatic screwdrivers are universal and hard, with good workmanship and high precision. - High precision concentric coordinate, less likely to shake and slip, stable and efficient operation. - Excellent craft, carefully down to every detail to give it a chic and beautiful look.