Stahlwille Hexagon Sockets with 3/4in drive made from HPQ® high performance quality steel and chrome plated. The socket has an extremely high load capacity with exceptionally thin rings and walls. It is free from cadmium and therefore suitable for use on titanium alloy parts and titanium fasteners, such as those used in the aerospace industry, where safety is a crucial factor. The socket is equipped with an anti-slip drive to permit high transmission of forces to the lands of the nuts and bolts without damaging them. Manufactured to DIN 3124/ISO 2725-1, ASME B 107.5M. MADE IN GERMANY.Stahlwille Hexagon Socket 3/4 in Drive. Size: 21mm.Length: 50mm.