A comprehensive set of deep, 1/2" square drive impact sockets, from 10mm to 38mm, in Bi-Hex (12pt) profile. Invaluable in the automotive workshop when socket access is restricted. The generous 78mm depth is designed to fit hard-to-reach fixings that cannot be adjusted with a conventional socket. This heavy duty set is designed for impact tool use and is manufactured from chrome molybdenum for strength and durability. Presented in a handled carry case for safe, organised, portable tool storage. Socket sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30, 32, 33, 34, 36, 38mm.1/2"D x Bi-Hex (12pt) x 78mm deep. Hardened and tempered sockets designed for impact use; manufactured from chrome molybdenum with black phosphate finish Supplied in storage case (250 x 350mm).