Thread Restoring File UNF

• Restores damaged, battered, rusted and corroded threads instantly
• Doubles as a thread gauge
• For use on any diameter screw, bolt, stud, shaft or many pipe fittings
Overlap file in a few good threads, and use like a regular file
CAUTION: Any cutting tool may break or shatter under improper use. Government regulations require use of safety glasses and other appropriate safety equipment at all times in the vicinity of use.