1. THREAD REPAIR TOOLS: Professional spark plug thread repair tools, including 10pcs M12 x 1.25 thread inserts and a M14 x 1.25 thread tap.
2. STANDARD SIZES: These repair tools have standard thread sizes, suitable for repairing spark plugs with 14mm x 1.25mm threads.
3. STAINLESS STEEL INSERTS: These threaded inserts are made of stainless steel, with galvanized treatment, resistant and durable.
4. HIGH SPEED STEEL TAP: The threaded tap is made of high speed steel, which has high hardness and high heat resistance.
5. APPLICABLE MACHINES: Efficient and labor saving, especially suitable for gasoline engines, generators, engines and other machines.

Spec:
Item Type: Spark Plug Thread Repair Tools
Thread Insert Size: M12 x 1.25 (thread diameter x pitch)
Thread Insert Length: Approx. 17.5mm / 0.7in
Thread Insert Material: Stainless Steel
Thread Insert Process: Galvanized
Tap Size: M14 x 1.25 (thread diameter x pitch)
Tap Shank Diameter: Approx. 9mm / 0.4in
Tap Full Length: Approx. 102.7mm / 4in
Tap Blade Length: Approx. 31.8mm / 1.3in
Tap Material: High Speed Steel

Package List:
10 x M12x1.25 Inserts
1 x M14x1.25 Tap