Spark Plug Inserts, 5-Piece Spark Plug Thread Repair Tool Set, Carbon Steel Spark Plug Rethreading Tap Repair Kit, Insert Kit

【HIGH-QUALITY CARBON STEEL】Made of hardened carbon steel, these accessories offer high strength and a long service life. Compared to similar products, we have optimized the quality to withstand greater pressure and resist damage. 【SIZE】Includes four insert sizes for different spark plug thread sizes of 14mm. The tap size is 73 x 24 x 11 mm / 2.9" x 1" x 0.4", the spark plug insert thread diameter is 14 mm / 0.55", the spark plug insert thread pitch is 1.25 mm / 0.049", and the spark plug insert thread length is as shown in the image. 【NEW THREADING TAP】100% brand new and high quality for threading spark plugs and inserts. Thread repair requires only this tool set; no other complicated tools are needed. 【DAMAGED REPAIR KIT】A nice tool kit for repairing damaged spark plug threads and extending the service life of spark plugs. Anyone can use it without any difficulty. 【EASY TO USE AND OPERATE】Easy to use and operate. Come and try it. Use it to cut threads, repairing stripped or damaged spark plug threads and fixing spark plug configurations in aluminum heads.