FEATURES - Thread repair kit including 20/10 wire thread inserts. - This thread repair kit is for M2/M3/M4/M5/M6/M8/M10/M12 to repair damaged or worn out threads. - Made of high speed steel and red color plastic handle, sturdy and durable in use. - It can be used in daily repair, car repair, drilling machine, etc. - Ideal for engine repair and other automotive applications, for restoring the damaged threads. - The thread repair kit including thread inserts, drill bit, thread tap, insert installation, lug breaking tool, allow you have smooth repairing experience. PACKAGE INCLUDE - 1X Thread Repair Kit Helicoil Set