DIN 3124, chrome-vanadium, chrome-plated, polished. With traction profile.
12kt.-mm: 27.0 Length: 46.0mm Bore: 36.2mm Depth: 21.0mm PROFILE: BI-HEXAGONAL SIZE / SIZE: 27 MM DRIVE: 1/2 INCH LENGTH: 46.0MM FOR IMPACT GUNS: NO MAGNETIC: YES PIN TO RELEASE: NO INSULATED VDE: NO