1 x 3/8in Spark Plug Socket 21mm (13/16in), 1 x 3/8in Spark Plug Socket 18mm, 1 x 3/8in Spark Plug Socket 16mm (5/8in), 1 x 3/8in Universal Joint, 1 x 3/8in Extension Bar 75mm, & 1 x 3/8in Extension Bar 150mm.
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