- STANDARD SIZES: This repair tool kit is designed with standard thread sizes, specifically for spark plugs with 14mm x 1.25mm threads. It's essential for anyone dealing with stripped spark plug threads, ensuring a reliable fix. - STAINLESS STEEL INSERTS: The kit includes durable stainless steel threaded inserts that undergo a galvanized treatment. This ensures longevity and corrosion resistance, allowing you to save both time and money by quickly restoring your vehicle's functionality. - HIGH SPEED STEEL TAP: The included threaded tap is crafted from high-speed steel, known for its exceptional hardness and heat resistance. This quality makes it ideal for use in automotive repair shops or for DIY enthusiasts looking to perform effective repairs. - APPLICABLE MACHINES: This kit is efficient and labor-saving, perfect for a range of applications including gasoline engines, generators, and other machinery. It serves as a valuable spark plug saver and thread repair tool for car enthusiasts and professional mechanics alike. Use Cases: 1. Restore stripped spark plug threads in your vehicle to ensure optimal engine performance. 2. Utilize the kit in your automotive repair shop for quick and reliable repairs, reducing downtime for clients. 3. Perfect for DIY projects where you need to repair or replace spark plugs without professional help, making it an essential addition to your toolkit.