Draper 33 Piece Screwdriver Bit Set

1/4" bits manufactured from CRV 6150 steel hardened and tempered with a shot blast finish. Bit holder from zinc alloy steel hardened and tempered with the bit holder (female hexagon) brass chrome plated. Contents:. 1/4" magnetic bit holder. 8 plain slot bits size: 3.5 mm (x 3), 5.5mm (x 3) and 6.0mm (x 2). 19 PZ TYPE bits: No.1 (x 5), 2 (x 10) and 3 (x 4). 2 Draper TX-STAR bits: T10 and T20. 3 hexagonal bits size: 4, 5 and 6mm PZ TYPE products are compatible with Pozidriv®/Supadriv® fixing systems Draper TX-STAR products are compatible with Torx fixing systems