21mm 3/8" Sq Drive Spark Plug Socket

SKU: sealey s38sp14

MPN: S38SP14

21mm 3/8" Sq Drive Spark Plug Socket. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Hardened and tempered Chrome Vanadium steel socket. Fully polished mirror finish with knurled ring. Socket insert grips ceramic insulation and assists in extraction of plug. Especially useful on deep-seated plugs. Lifetime guarantee.