The BlueSpot 131 PCE Thread Repair Kit is used to repair damaged threads between M5 and M12. The thread kit can be used with a hammer, wrench and drill gun. Manufactured from steel. Supplied in a robust metal case. 5 PCE HSS ST taps, 5 PCE installation tools 5 PCE break pin tools 5 PCE HSS twist drills 1 PCE hex key 110 PCE wire thread inserts M5*0.8*6.7MM, M6*1.0*8.00MM, M8*1.25*10.8MM, M10*1.5*13.5MM, M12*1.75*16.3MM