IMPACT universal joint, 3/8 inch
For safety reasons must always be secured using a suitable locking pin and O-ring.
External square drives to DIN 3121 F 10 with through pin hole. Internal square drives to DIN 3121 G 10 with hole and snap ring groove.
External square to DIN 3121 E 10 with spring pin, internal square to DIN 3121 G 10 with hole and snap ring groove.