21 piece 1/2 inch drive socket set containing 6 point regular sockets. FRP (Fibre Reinforced) ratchet, universal joint, 2 1/2 inch and 6 inch extensions, 3/8"F:1/2"M T-bar adaptor. Sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18,19, 21, 22, 24, 27, 30, 32mm. Retractable handle in the case designed for comfort and durability. Secure lock system with click mechanism so you know the top is closed properly. Hard wearing hinge with metal pin for increased life. Rubber feet to prevent the box from sliding. Clear layout makes it easier to see which tools are missing when the work is done.