131/261PCS Thread Repair Kit HSS Drill Helicoil Metric 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. 131 PC Kit consisting of 10 pc drill bit. 5PCS x Twist Drill Bits.