Teng Tools sockets are manufactured from strong chrome vanadium steel in accordance with ISO9000 and AS954. They provide excellent torque, whilst reducing the risk of rounding fasteners. This TENT3839 3/8 inch drive 6-point socket set comprises 39 pieces, which are supplied in a plastic case which has a click lock and folding handle. This 39-piece set contains the following 14 x 3/8in Hex Sockets 8, 9, 10, 11, 12, 13, 14. 15, 16, 17, 18, 19, 21 & 22mm. 6 x 3/8in Hex Deep Sockets 8, 10, 12, 13, 17 & 19mm. 2 x 3/8in SparkPlug Sockets 16 & 21mm. 1 x 3/8in Reversible Ratchet, 1 x 3/8in Universal Joint. 1 x 3/8in Extension Bar 150mm. 1 x 3/8in Wobble Extension Bar 75mm. 1 x 3/8in-1/2in Adaptor, 1 x 3/8in Hex Bit Adaptor. 2 x 1/4in Slotted Bits 4 & 5.5mm. 2 x 1/4in Phillips Bits PH1 & PH2. 2 x 1/4in Pozidriv Bits PZ1 & PZ2. 2 x 1/4in Hex Bits 5 & 6mm. 3 x 1/4in TORX Bits TX10, TX15 & TX20.