DIN 3124, long form, chrome vanadium, chrome-plated, polished. With traction profile.
6 kt.-mm: 27.0 Length: 85.0 mm Diameter: 36.3 mm Depth: 27.0 mm PROFILE: HEXAGONAL SIZE / SIZE: 27 MM DRIVE: 1/2 INCH LENGTH: 85.0MM FOR IMPACT GUNS: NO MAGNETIC: YES PIN TO RELEASE: NO INSULATED VDE: NO