DIN 3124, with release bolt f. Safety pin, chrome vanadium, chrome-plated, polished.
6 kt.-mm: 50.0 Diameter: 67.0 mm Length: 76.0 mm PROFILE: HEXAGONAL SIZE / SIZE: 50 MM DRIVE: 3/4 INCH LENGTH: 76.0MM FOR IMPACT GUNS: NO MAGNETIC: YES PIN TO RELEASE: YES INSULATED VDE: NO