1/2"DR. 12PT FLANK SOCKET SIZE: 18MM

18mm Thorvik S04H4918 socket, 1/2" drive (12.7mm), 12-point Flank drive, short. Made from chrome-vanadium (CR-V) steel, a material with excellent resistance to deformation, corrosion, and wear. The Flank drive design transmits force through the sides of the fastener, not the corners, allowing work with slightly worn fastening elements without causing additional damage. Technical specifications: Size: 18mm Square: 1/2" drive (12.7mm) Profile: 12-point Flank drive Type: Short socket Material: CR-V steel Finish: Chrome polished