DIN 7422, short version, chrome vanadium, chrome-plated, burnished tips, for hexagon head screws.
6 kt.-mm: 17.0 * Length: 42.0 mm Diameter: 28.0 mm
* out of DIN range PROFILE: ALLEN SIZE / SIZE: 17 MM DRIVE: 1/2 INCH LENGTH: 42.0MM FOR IMPACT GUNS: NO MAGNETIC: YES PIN TO RELEASE: NO INSULATED VDE: NO