GearWrench 2249D External Thread Restorer File
- Use to restore external threads by filing
- Pitch Sizes: 9, 10, 12, 16, 20, 27, 28, and 32
- Simply overlap several good threads with file, and file damaged ones
- Files both right- and left-handed threads
- During use, the partial "corner teeth", or burrs, will fall off; this self-cleaning process results in a long-lasting, fast-cutting, thread file
