Practical Function: This tool is designed to restore damaged or worn spark plug threads, ensuring they regain their original size and shape. It efficiently repairs thread functionality, swiftly restoring your machinery to optimal performance and minimizing the need for costly replacements Back Tap Design: This tool features a back-tap design that effectively prevents metal shavings from falling into the cylinder chamber, helping to keep the engine clean. Simply apply lubricant to the thread, and the tool will catch any metal shavings, removing them along with the tool for easy clean-up Durable Material: Made from high-quality steel, this spark plug thread repair tool boasts exceptional hardness and durability, ensuring it withstands repeated use without breaking. It also provides outstandi.