DIN 911, chrome vanadium, bright nickel-plated, for Allen screws. Short.
SW: 12.0mm, Length: 137.0mm PROFILE: ALLEN SIZE / SIZE: 12.0 MM BLADE LENGTH: 57 MM OVERALL LENGTH: 137MM 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