130pcs Repair Tools: The thread repair kit includes thread inserts, drill bit, thread tap, insert installation, lug breaking tool, practical to use. 2Make Repair Easier: Professional thread repair kit can be used for restoring the damaged threads, giving you smooth repairing experience. 3Multi Purpose: This kit is ideal for engine repair and other automotive applications, can also be used in daily repair, car repair, drilling machine, etc. 4Sturdy Structure: Made of high speed steel body and plastic handle, high strength, sturdy and durable, more convenient for you to hold and use. 5Easy Operation: Professional manufacturing, M7x1 drill tap inserts tool set has high performance, easy to operate, saving time and energy.