Glow Plug Socket Set, 3/8″ Sq. Dr. (4 Piece)

This glow plug set is designed for sockets which have a universal joint for easy replacement and removal of popular sized glow plugs. Made from chrome vanadium steel for durability and strength, with a satin polished finish for corrosion protection. Includes spark plug sockets in sizes 8, 10, and 12mm and a 75mm extension bar. Supplied inside a sturdy plastic storage case.