General Tools Metric Thread Repair File (0.75, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, 3 m)

Restore damaged external threads on studs, bolts, screws, plumbing pipe, and pipe fittings. Restores rusted and corroded fasteners. Doubles as a screw pitch gauge. High carbon steel with black oxide coating to prevent rust. Length 8-1/2".