Kit per la riparazione del foro filettato della candela, con 12 inserti filettati M14 x 1,25 e 1 maschio filettatore M16 x 1,25.

[Thread Repair Tools]: Spark plug thread repair tools, including 12 M14 x 1.25 thread inserts and 1 M16 x 1.25 tap. These thread inserts are made of galvanized stainless steel, offering corrosion resistance and durability. [Standard Sizes]: These repair tools feature standard thread sizes suitable for repairing spark plugs with 16mm x 1.25mm threads. [High-Speed Steel Taps]: Runqin thread taps are made of high-quality metal, offering high hardness and heat resistance. Used for repairing damaged spark plug threads. [Applicable Machinery]: Highly efficient and labor-saving, especially suitable for gasoline engines, generators, diesel engines, and other machinery.