The Draper 63540 includes 84 pieces, each manufactured from high quality chrome vanadium steel with a satin chrome finish to ensure reliability. This set is also supplied with a 72 tooth reversible soft grip ratchet and accessories and is also suitable to be used in Draper and Draper Expert tool chests. Includes: 1/4\" Sockets; 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13mm 1/4\" Deep Sockets; 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13mm 1/4, 3/8, 1/2\" 72 tooth reversible ratchets with soft grip and quick release button Spinner Handle Universal Joints; 1/4, 3/8 and 1/2\" Sq Drive 3/8\" Sockets; 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm 3/8\" Deep Sockets; 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm 1/4\" Extension Bars; 100, 150mm 1/4\" Sliding T-Bar 3/8\" Spark Plug Sockets; 10, 12, 14mm, 3/8\" Extension Bars; 75, 150mm 1/2\" Sockets; 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 30, 32mm 1/2\" Deep Sockets; 13, 14, 17, 18, 19, 21, 22mm 1/2\"Sq Drive Extension Bars; 75, 250mm, 1/2\"(F)-3/8\"(M) Sliding T-Bar Adaptor (forms a sliding \'T\' bar when used with an extension bar)