25mm 1/4" bits manufactured from chrome vanadium steel, hardened and tempered with a sand blasted finish. Bit holder manufactured from zinc alloy steel with chrome plated finish. Supplied in a heavy duty plastic storage case with plastic inlay to hold the bits securely. Display packed Contents: 1 x Magnetic bit holder, 11 x Plain slot bits: 3mm (x 2), 4mm (x 2), 5mm (x 2), 6mm (x 3), 7mm (x 2), 9 x Cross slot bits: No.0 (x 2), No.1 (x 2), No.2 (x 3), No.3 (x 2), 9 x PZ Type bits: No.0 (x 2), No.1 (x 2), No.2 (x 3), No.3 (x 2), 5 x Hex bits: 2, 3, 4, 5, 6mm, 8 x Draper TX - STAR® ; bits: T8, 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.