Draper Tools Spark Plug Chaser, 14 – 18Mm Spark Plug Sockets

Expert Quality, Covering Two Common Sizes 14Mm And 18Mm Spark Plugs Threads. Driven By A 21Mm Spark Plug Socket, Will Clean Carbon And Corrosion Clogged Spark Plug Threads. Can Also Be Used To Repair Minor Thread Damage.