Spark Plug Thread Hole Repair Tools Metal Tap 14mm Rethreaded Kit
Professional spark plug thread repair tools, including 10pcs M12 x 1.25 thread inserts and a M14 x 1.25 thread tap.These repair tools have standard thread sizes, suitable for repairing spark plugs with 14mm x 1.25mm threads.The threaded tap is made of high speed steel, which has high hardness and high heat resistance.