Using the spark plug thread repair tool is straightforward and user-friendly. First, clean the damaged spark plug hole to remove any debris. Next, lubricate the tool and insert it into the hole. Turn the tool slowly and steadily to the hole, ensuring that the are clean and even. Once the rethreading is complete, you can install a new spark plug with confidence, that it will fit securely and function properly. Features -Color:Black -Material:Carbon Steel -Size:6.57X2.06X2.06cm/2.58X0.81X0.81in -Wide compatibility: suitable for various car models and spark plug sizes, offering a versatile solution for different automotive needs -Simple operation: designed for ease of use, this tool simplifies the thread repair process, making it accessible for both professionals and diy enthusiasts - : constructed from durable materials, this tool is built to endure frequent use and tough conditions, ensuring longevity -Precise fit: restores spark plug holes to their original dimensions, ensuring a secure and accurate fit for optimal engine performance -For repair: it is suitable for a thorough repair, making it a convenient solution for spark plug thread issues Package list: 1pc spark plug repair tool