Stahlwille INHEX Extra long sockets have 1/2in square drive and are suitable for hexagon socket head head screws. They are manufactured from chrome alloy steel and are chrome plated. Manufactured to DIN 7422 (metric sizes). MADE IN GERMANY.Stahlwille In-Hex Socket 1/2in Drive Xtra Long. Size: 5mm.Overall length: 120mm.