【Perfect Spark Plug Thread Repair Kit】The 16-tool spark plug thread repair kit is an extremely useful and high-quality tool for repairing spark plug threads. These tools are ideal for repairing damaged spark plug threads. 【Specifications】Thread size: M14 x 1.25 mm, length: 11.2 mm (black burnished), 17.5 mm (black burnished), 17.5 mm (yellow zinc plated), tap size: M16 * 1.25 mm, tap length: 70 mm. 【Applicable Models】The spark plug repair tool has a universal design. These tools are specifically designed to repair 14 mm * 1.25 mm spark plug threads. With the long M16 x 1.25 x 70 mm tap, you can enlarge the spark plug hole to fit the sleeve. 【High-Quality Material】The spark plug connection kit is made of hardened steel, these accessories are strong and durable. You can buy it with confidence, you don't have to worry about its lifespan. 【Portable Design】All tools are well-organized in a blow-molded case to protect the components and are easy to carry and collect.