1. ### HSS Metric Thread Repair Insert Kit M4*0.7 Threaded Sleeve Set Tool 2. #### Quality Features 1. Each set contains 25 pieces of metric thread repair insert kits, M4*0.7 threaded sleeve set tools. 2. Brand - new and of high quality. 3. Made of high - quality materials, it is strong and durable in use. 4. The 25 - piece thread repair kit includes 25 wire thread inserts. 5. It is very suitable for repairing damaged threads and is applicable to engine maintenance and other automotive applications. 6. Suitable for steel, cast iron, and aluminum. 7. Can be used for daily maintenance, auto repair, drilling machines, etc. 3. #### Specification Parameters 1. Material: High - speed steel (HSS). 2. Model: M4x0.7. 4. #### Usage Method 1. Use the drill bit of the correct size (provided) to drill out the damaged thread. 2. Use the provided tap to thread the re - drilled hole. 3. Load the coiled insert into the installation tool. 4. Screw the threaded sleeve into the casting. 5. Use the lug breaking tool to break the lug on the insert. 6. The thread repair is completed and it can be used. 5. #### Color Red + Silver 6. #### Package Contents 1. 20 thread inserts. 2. 1 lug breaking tool. 3. 1 installation tool. 4. 1 wrench. 5. 1 tap. 6. 1 drill bit. 7. #### Notes 1. Due to many factors such as the brightness of your monitor and the light brightness, the actual color of the item may be slightly different from the picture shown on the website. 2. Please allow a slight deviation in manual measurement of the data.