"Nu-thread" restoring, rethreading file. Restore damaged threads that are bent, rusted or cross thread. For use on screws, bolts, studs, pipe and pipe fittings. Can be used as a pitch gauge. Oxide coated to prevent corrosion.

Product Features:

• Restore damaged threads that are bent rusted or cross threaded
• For use on screws bolts studs pipe and pipe fittings
• Restoring size 9 10 12 16 20 27 28 and 32 TPI
• Can be used as a pitch gauge
• Made in the USA