Draper Coloured Screwdriver Bit Set (60 Piece) - CMBH60Expert Quality, 25mm and 50mm 1 4" bits manufactured from S2 steel, which is hardened and tempered with a satin chrome finish, attached with a plastic coloured ring for easy identification. Bit holder with quick release collet which allows bits to be expelled quickly and efficiently. Supplied in a heavy duty storage case with plastic inlay to hold bits securely. Display packed. 1 x Magnetic bit holder 12 x Plain slot bits: 3 (x2), 4 (x 2), 5 (x2), 5.