DIN 3124, chrome-vanadium, chrome-plated, polished. With traction profile.
12kt.-mm: 22.0 Length: 41.5mm Bore: 30.4mm Depth: 17.5mm PROFILE: BI-HEXAGONAL SIZE / SIZE: 22 MM DRIVE: 1/2 INCH LENGTH: 41.0MM FOR IMPACT GUNS: NO MAGNETIC: YES PIN TO RELEASE: NO INSULATED VDE: NO