Features 1、Package Included: Thread repair kits include thread inserts, drill bits, thread taps, insert installation, lug break tools for a smooth repair experience. 2、Thread Restorer: Quickly repair damaged threads with this helical thread repair kit, perfect for engine repair and other automotive applications. 3、Durable Construction: Made of high speed steel material, it has high wear resistance, good toughness, strong durability and long service life. 4、Ergonomic Design: The handle is made of plastic material, nonslip, wearproof, comfortable to use and can greatly improve work efficiency. 5、Strong Practicability: The thread repair tool is a practical and handy tool ideal for auto mechanics, handyman jobs, drill machine and diy repair projects. Specification Item Type: Thread Repair Kit Material: High Speed Steel and Plastic Fitment: Universal Auto Repair Tools Package List 20 x Thread Repair Tool 1 x Storage Box