- What You Get: This Glow Plug Rethread Repair Tool Kit provides everything you need for effective repairs, including a tap, insert driver, tap guide pin, insert guide rod, knurled head, and replacement thread insert. The kit also features four thread adapter sizes, compatible with standard glow plugs. - Main Function: Specifically designed for 8mm, 10mm, and 12mm glow plugs, this thread chaser kit is a must-have for repairing alloy cylinder heads. Crafted from high-quality and A3 steel, it offers long-lasting durability with a protective black phosphate finish. - Comprehensive Kit: The rethreading kit contains six metric rethread taps and 20 assorted thread coils, ensuring you have the right size for any job. It includes two insert drivers, three tap guide pins, one long insert guide rod, and one knurled head, all made with precision-engineered materials for reliable performance. - Practical Use: This kit is designed for easy, precise insertion of threaded inserts into cylinder heads. Its innovative tap guide system ensures accurate alignment, streamlining the repair process and enhancing efficiency. - Use Scenarios: 1. Perfect for automotive mechanics needing to repair damaged glow plug threads in alloy cylinder heads. 2. Ideal for DIY enthusiasts tackling engine repair projects, ensuring a professional-quality finish. 3. Essential for regular maintenance, helping to prevent costly engine damage from stripped threads. The Glow Plug Rethread Repair Tool Kit is a reliable solution for ensuring the longevity and performance of your engine components.