Chrome vanadium, chrome plated, polished. With traction profile.
12 kt mm: 10.0 length: 54.0 mm diameter: 14.4 mm depth: 10.0 mm PROFILE: BI-HEXAGONAL SIZE / SIZE: 10 MM DRIVE: 3/8 INCH LENGTH: 54.0MM FOR IMPACT GUNS: NO MAGNETIC: YES PIN TO RELEASE: NO INSULATED VDE: NO