A professional quality FOUR piece spark plug socket set for the trade or the occasional user. Rubber plug retention and external hex fitting. The socket sizes are 14mm, 16mm and 21mm. Also included is a thin walled 16mm socket for where space is tight. Manufactured from Chrome Vanadium Steel (CR-V) for longevity and durability and helps resist abrasion, oxidation and corrosion. Supplied in a handy clip shut storage case for neat storage and transportation.
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