1Rethreading Tool: Thread repair kits are used to repair damaged or worn threads and create new stronger threads in existing equipment. 2Durable Construction: Made of high speed steel material, it has high wear resistance, high strength, strong durability and long service life. 3Ergonomic Handle: The handle is made of plastic material, nonslip, wearproof, comfortable to use and can greatly improve work efficiency. 4Complete Kit Includes: Thread repair kits include thread inserts, drill bits, thread taps, insert installation, lug break tools for a smooth repair experience. 5Compact Design: All tools are included in the box for easy portability and transport for routine maintenance, car repairs, drilling machine and more.