261Pcs Thread Repair Kit HSS Drill Helicoil Metric Set Heli Coil Tap Insert Case
This kit contains everything you need to fix M5 up to M12 and 1/4 to 1/2 UNC sized threads, including high-quality stainless steel helical inserts. 10 pc drill bit. 5PCS x Twist Drill Bits. 10 pc break tool.