This high quality compact bit and socket set provides a useful addition to any toolkit. The 42 piece set contains a mix of the most commonly used screwdriver bits and popular sizes of ¼in hex sockets. This makes it ideal for a very high proportion of fixing activities across a multitude of trade, leisure, hobby and home applications. All of the screwdriver bits are precision manufactured in chrome vanadiumS2steel (desirable for its strength) and are colour coded for easy identification. The sockets have a satin chrome finish and have a ribbed centre section to enable fast hand tightening of nuts and bolts before final tightening via the ratchet handle. Supplied in a handy carry case. Contains: 9 x Pozidriv Bits: PZ1(2), PZ2(5) and PZ3(2).3 x Phillips Bits: PH1, PH2 and PH3.4 x Slotted Bits: 3, 4, 5 and 6mm.7 x Hex Bits - 2, 3, 4, 5, 6, 7 and 8mm.7 x Tamper-proof Bits: TTX10, TTX15, TTX20, TTX25, TTX27, TTX30 and TTX40.8 x 1/4in Square Drive Sockets - 5, 6, 7, 8, 9, 10, 12 and 13mm.