Universal Joint Spark Plug Socket Set 3/8"D 3pc

A three piece universal joint, Bi-Hex (12pt) 3/8" drive socket set. The longer length barrel and ball joint head have been designed to access the awkward spark plug recesses commonly found in modern vehicles. This useful set covers all common plug sizes (14mm, 16mm and 21mm). Professional quality sockets with a standard 3/8" drive and rubber inserts for reliable spark plug removal and installation.