Chrome vanadium, chrome plated, polished. With traction profile.
12 kt mm: 12.0 length: 54.0 mm diameter: 17.0 mm depth: 11.0 mm PROFILE: BI-HEXAGONAL SIZE / SIZE: 12 MM DRIVE: 3/8 INCH LENGTH: 54.0MM FOR IMPACT GUNS: NO MAGNETIC: YES PIN TO RELEASE: NO INSULATED VDE: NO