BZBMGMO M10x1.0 * 12.7 Thread Repair Kit, Total Length Up to 11 Inches, Car Engine/Spark Plug Repair Kit, 10 Stainless Steel Inserts, with a 150mm Extension Rod - BZ-147

• 1，Install new stainless steel spark plug thread inserts in place of original threads 2，Specifically developed for automotive engine/spark plug thread repairs, typically used for deep recessed thread repairs or when repairing threads on components to avoid excessive disassembly due to interference 3，Contrary to the phenomenon of messy teeth and tooth extraction that often occur with traditional threaded sleeves, this set of tools will not occur, and even a novice can easily complete it in the shortest time 4，Complete package includes: 1 Drill, 1 conterbore, 1 tap, 1 install driver，1 150mm Extension Rod， 10 inserts 12.7mm length