THREAD REPAIR TOOLS: The Professional Spark Plug Thread Repair Tool includes 10 M12 x 1.25 thread sockets and one M14 x 1.25 thread tap
STANDARD SIZES: These repair tools have standard thread sizes, suitable for repairing spark plugs with 14mm x 1.25mm threads
STAINLESS STEEL INSERTS: These threaded inserts are made of stainless steel, with galvanized treatment, resistant and durable.
HIGH SPEED STEEL TAP: The threaded tap is made of high speed steel, which has high hardness and high heat resistance.
APPLICABLE MACHINES: This product is efficient and labor-saving, especially suitable for gasoline engines, generators, diesel engines and other machines.