Carry out a variety of applications with this metric and imperial socket set The Draper 16453 is a combined socket set meaning it contains both metric and imperial sockets. It has a 1/2\" square drive, with each socket features 6 points. The complete set has been hardened and tempered for a longer lifetime. Features: These expert quality six-point sockets are made from chrome vanadium steel that\'s been hardened and tempered with a micro satin finish Each socket has a knurled ring for extra grip Supplied with a 72 tooth reversible soft grip ratchet and accessories Packed in a tough plastic storage case The ratchet has a soft-grip handle for improved comfort Contains: 22 x Metric sockets size 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32mm 10 x Imperial sockets size 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 5/16, 1\" AF 3 x Spark plug sockets size 10, 12, 14mm 1 x 72 tooth reversible ratchet with soft grip handle and \"quick release\" button 3 x Wobble extension bars size 75, 125, 250mm 1 x Sliding \'T\' bar 1 x Universal joint Specification: Drive: 1/2\" square Pack Qty: 41 piece