Thread Repair File Set Thread Repair Files Metric and Imperial Thread Repair File Set. Housed in a durable compact case, the thread chaser set keeps all components organized and protected. Easy to store in your toolbox or take on the go - always ready when you need it. Professional-grade workmanship, high precision tools, tight meshing, preventing stripping during assembly and disassembly, and protecting screws and workpieces intact. The toolbox is sealed and dustproof, preventing dust and moisture from entering, protecting the tools from corrosion, and extending their service life., Manufacturer: VBHdtE