The Thread repair kit is USD to repair the old damaged thread by using the screw insert which need to use the Drill;
3 PCS HSS ST taps
3 PCS installation tools
3 PCS break pin tools
3 PCS HSS twist drills
1 PC hex key
75PCS wire thread inserts
M6*1.0*10.8MM, M8*1.25*10.8MM, M10*1.5*13.5MM