Features: Revitalize your vehicle's performances with the 16piece spark plugs thread repair kit, a must having toolsets designing for M14x1.25mm thread restoration, ensuring your engine runs smoothly and efficiently. Crafted from steel and neatly organized in a blue plastic case, this comprehensive set includes various size of thread tap and coil inserts, offering versatilities and reliability for all your spark plugs repair needs. For professional mechanic, automotive technicians, and diy enthusiasts, this thread repair kit is essential addition to any repair shop or home garage toolkit. Whether you're performing routine maintenance, repairing damaged thread, or refurbishing car, this thread repair set provide the precisions and quality required for successful spark plugs thread restoration. Enhances your repair capabilities with this easy to use, high quality thread repair solution, complete with guide tool and installation heads, making it the perfect investment for maintaining vehicle longevitys and performances. Specifications: Component:Metal Size:As Picture Shown Package Includes: 16pcs/set Spark Plugs Thread Repair Kit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.