Expert Quality 1/4" hex impact screwdriver bit set, manufactured from S2 steel, correctly hardened and tempered with a phosphate finish. Designed for use with impact drivers. Supplied in a plastic case with soft grip detail. Contents: 1 x 60mm Magnetic Bit Holder, 1 x 25mm Socket Adaptor, 4 x Plain slot bits: 3, 4, 5, 6mm, 8 x Cross slot bits: No.1 (x2), No.2 (x4), No.3 (x2), 8 x PZ Type bits: No.1 (x2), No.2 (x4), No.3 (x2), 3 x Hex bits: 4, 5, 6mm, 7 x TX Star bits: T10, T15, T20, T25, T27, T30, T40 PZ TYPE products are compatible with *Pozidriv® ;/Supadriv® ; fixing systems.Draper TX-STAR products are compatible with †Torx fixing systems.*Pozidriv® ;/Supadriv® ; are registered trademarks of Trifast Plc.†Torx is the registered trademark of Acument Intellectual Properties LLC.