General description AlwaysH 12Pcs Screwdriver Bit Set includes 6 Phillips and 6 Pozidriv screwdriver bits, designed for versatility and durability. The bits are suitable for use with electric screwdrivers, hand screwdrivers, electric drills, and air drills. Technical specifications Contents: 12 screwdriver bits (6 Phillips and 6 Pozidriv) Bit types: PZ1, PZ2, PZ3, PH1, PH2, PH3 Total length: 50mm Hex shank diameter: 6.35mm Material: S2 alloy steel Usage Ideal for replacing lost, bent, or damaged hex screwdriver bits Non-slip serrated design ensures a secure grip on screws Powerful magnets firmly lock screws while driving Other information Surface treatment: sandblasted and wrapped with blue rubber for wear resistance, waterproofing, and rust-proofing High concentricity reduces drill bit shaking