The Britool 1/2in Drive 22 piece metric socket set consisting of: 17 x 1/2in Hex Sockets: 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30 & 32mm. 1 x 1/2in Reversible Ratchet. 1 x 1/2in T-Handle. 2 x 1/2in Extensions: 130 & 250mm. 1 x 1/2in Universal Joint. The Britool BRIE032900B set is supplied in a socket set case with metal clasps which also converts into a modular storage system for use in roller cabinets.