Choosing a suitable and professional thread repaire kit is very necessary for your car. So you can't miss this 131pcs Thread Repaire Kit. This Kit includes drill bits, thread taps, and lug breaking tools, suitable for M5, M6, M8, M10 and M12. Creates a stronger internal thread in soft metals. Protects tapped threads against wear and damage. The perfect tool for the professional mechanic or DIY enthusiast.