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Spark plug socket 21 mm Top Tools 37D221 — 21mm spark plug wrench
Summary description:
Top Tools spark plug socket 37D221 is a 21 mm socket designed for removal and installation of spark plugs. Made for use with hand ratchets or breaker bars, it fits standard 21 mm plug hexes and delivers secure grip for service and maintenance of cars, motorcycles and small engines. Compact design enables work in tight engine bays.