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.