Metric Spark Plug Sockets

Designed for insertion/removal of spark plugs. The neoprene insert helps retain the spark plug and protect the insulation material from accidental damage. Manufactured from chrome vanadium steel hardened, tempered, chrome plated and polished for corrosion protection. All have a ball-retaining groove on each face of the square drive, which ensures a positive fit with all accessories. Chamfered leading edge ensures easy location.