This Draper 41 piece socket set is suited to a variety of applications This Draper twelve-point socket set is made from chrome vanadium steel that\'s hardened and tempered with a polished finish. Each of the sockets has a knurled ring for extra grip. Supplied with a 72 tooth reversible ratchet and accessories. Packed in a tough plastic storage case with a soft-grip handle for ease of storage and transportation. Comes With: 17 x Metric sockets: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22mm 4 x Metric deep sockets: 8, 10, 12, 13mm 9 x Imperial sockets: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4\" 3 x Spark plug sockets: 10, 12, 14mm 1 x 72 tooth reversible ratchet with \"quick release\" button 3 x Wobble extension bars: 75, 150, 250mm 1 x Sliding \'T\' bar 1 x Flexible handle 1 x Universal joint 1 x Spinner handle Specification: Dimensions:  Manufactured and tested generally in accordance with DIN3122 and ISO3315 Specifications