Usage Tips:Features： 1、EFFICIENT OPERATIONS: The thread repair kit is your excellent solution for repairing damaged or stripped thread holes, ensuring smooth operations and extending the life of your threaded devices. 2、VERSATILE COMPATIBILITY: Compatible with M5, M6, M8, M10, and M12, designed to form a more reliable internal thread in soft metals and protect the threads from wear and damage. 3、COMPREHENSIVE SET: This kit includes everything you need for thread repair tasks, from blades installation and thread inserts to twist drills, taps, and tang break tools. A versatile tool kit that gets the job done! 4、HIGH DURABILITY: Made from 304 stainless high speed steel, our rethreading repair tool set is reliable, wear resistant, and sturdy, ensuring long term usage even in harsh conditions. 5、WIDE APPLICATION: Used for daily maintenance, vehicle maintenance, drilling machine and other applications. Suitable for engine repairs and other automotive applications in steel, cast iron and aluminum. Specification： Item Type: Thread Repair Tool Set Material: Stainless Steel Color: Silver Thread Repair Tool Set Includes: 125pcs of M5x0.8, M6x1, M8x1.25, M10x1.25, M12x1.5 Fitment: Suitable for most automotive thread repair Package List： 30 x M5x0.8 Thread Repair Tools 30 x M6x1 Thread Repair Tools 30 x M8x1.25 Thread Repair Tools 20 x M10x1.25 Thread Repair Tools 15 x M12x1.5 Thread Repair Tools