The IRWIN® Mixed Screwdriving Set is supplied in a robust, compact storage case, designed to hold up against the rigours of daily use. Fitted with an easy-to-use flip-up latch design that keeps cases securely closed when not in use and locks the cases together when stacked. The connectable cases can be customised to create a single storage unit that is both secure and portable. Contains: 7 x 25mm Phillips Bits: PH1, PH2(x5) and PH3.7 x 25mm Pozidriv Bits: PZ1, PZ2(x5) and PZ3.4 x 25mm TORX Bits: TX20(x2) and TX30(x2).3 x 25mm Slotted Bits: 6, 8 and 10mm.3 x 50mm Phillips Bits: PH2.3 x 50mm Pozidriv Bits: PZ2.3 x 50mm TORX Bits: TX20.1 x Magnetic Bit Holder. IRWIN Mixed Screwdriving Set, 31 Piece