Halfords Advanced 3/8" Drive Spark Plug Socket 10 - 14mm Lifetime Guarantee

New Halfords Advanced 3/8" DriveSpark Plug Socket. 1x 14mm = 21mm Plug. Or Set Of 3 10/12 & 14mm. 1x 10mm = 15mm Plug. 1x 12mm = 18mm Plug.

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