DIN 911, chrome vanadium, bright nickel-plated, for Allen screws. Short.
SW: 17.0mm, Length: 177.0mm PROFILE: ALLEN SIZE / SIZE: 17.0 MM BLADE LENGTH: 80 MM OVERALL LENGTH: 177MM HANDLE SHAPE: OFFSET WRENCH KEY ADAPTER: NO INTEGRATED SQUARE: NO TO HIT: NO ROTATING CAP: NO INSULATED VDE: NO CURRENT VOLTAGE DETECTOR: NO MAGNETIC: YES FLEXIBLE: YES