STAHLWILLE Adaptor 1/4''-1/2''

DIN 7428/ISO 3317, with outside hexagon for power operated IMPACT sockets DIN 3129/ISO 2725-2 with inside square DIN 3121/ISO 1174-2.
Large collar diameter for better support of IMPACT sockets. Square drive with spring loaded locking pin, Chrome Alloy Steel, gunmetal finish.