Long socket 1/4" 5.5 mm, 12-point (S04HD21055, JONNESWAY)
Thorvik S04HD21055 socket, 5.5 mm, 1/4" drive, 12-point Flank drive, long. Made from CR-V steel, providing excellent resistance to deformation, corrosion, and wear. Flank drive design transmits force through the sides, not the corners, allowing work with slightly damaged fasteners without causing additional damage.