Description: 【Comprehensive Set for Versatile Use】: This thread repair file set includes both SAE and metric thread files, making it suitable for a wide range of applications. The SAE files cover sizes 9, 10, 12, 16, 20, 27, 28, and 32 TPI (threads per inch), while the metric files include sizes from 0.75mm to 3.00mm 【Ideal for External Thread Restoration】: Designed to restore external threads efficiently and effectively. Whether you're working on automotive parts or machinery components, this set is an essential tool in your repair kits 【Detachable Cover】: Each file comes with a detachable cover that protects the cutting edges when not in use and safeguards your fingers during handling 【Metal Construction】: Made from metal materials to ensure long term durability and reliable performance even under rigorous use conditions 【Convenient Size for Easy Handling】: With a length of approximately 22cm, these files are easy to handle and maneuver in tight space while providing control during repairs Size Chart: Length About: 22cm/8.66inch Package Includes: 3x Thread Repair Tool Note: Please allow slightly errors 1-2cm differences due to manual measurement.