25mm long 1/4" bits manufactured from chrome vanadium steel hardened and tempered with a shot blast finish. Bit holder manufactured from zinc alloy steel with chrome plated finish. Supplied in storage case. Display packed. Contents: 1 x magnetic bit holder, 8 x Plain slot bits: 3.5 mm (x 3), 5.5mm (x 3), 6.0mm (x 2), 19 x PZ TYPE bits: No.1 (x 5), No.2 (x 10), No.3 (x 4), 2 x Draper TX - STAR® ; bits: T10, T20, 3 x Hexagonal bits: 4, 5, 6mm 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.