DIN 7422, chrome-vanadium bushings, chrome-plated, blades of special steel, steel grey, for Allen screws.
+ with a staggered blade.
Hex mm: 6.0 Length1: 38.5 mm Length2: 65.0 mm Diameter: 17.0 mm PROFILE: ALLEN SIZE / SIZE: 6 MM DRIVE: 3/8 INCH LENGTH: 65.0MM FOR IMPACT GUNS: NO MAGNETIC: YES PIN TO RELEASE: NO INSULATED VDE: NO