Spark plug thread repair tools for gasoline engines, M14x1.25 metal inserts and M16x1.25 tap kit

1. Inserts and Tap: This professional spark plug thread repair tool kit includes 10 M14 x 1.25 threaded inserts and one M16 x 1.25 threaded tap. 2. STAINLESS STEEL INSERT: These threaded inserts are made of stainless steel with a galvanized finish, making them wear-resistant and corrosion-resistant. 3. HIGH-SPEED STEEL TAP: The threaded tap is made of high-speed steel, which offers high hardness and heat resistance. 4. STANDARD THREAD: These inserts and taps have a standard thread size, suitable for repairing 14mm x 1.25mm spark plugs. 5. APPLICABLE MACHINE: Tapping is efficient and labor-saving, making it ideal for gasoline engines, generators, diesel engines, and more. Specification: Item Type: Spark Plug Thread Repair Tools. Thread Insert Size: M14 x 1.25 (Thread Diameter x Pitch) Thread Insert Length: Approx. 17.5 mm / 0.7 in. Thread Insert Material: Stainless Steel Thread Insertion Process: Galvanized Tap Size: M16 x 1.25 (Thread Diameter x Pitch) Tap Material: High-Speed Steel Package List: 1 x M16x1.25 Threaded Tap 10 x M14x1.25 Thread Inserts