*Restores threads that were bent or damaged from rust, cross-threading or corrosion.

*Works on screws, bolts, studs, plumbing pipe and pipe fittings.

*Made of high carbon steel, the Repair Files offer eight different thread pitches, in addition, can also be used as a screw pitch gage.

*Easy to use: If you are not sure of the thread size, match up the bolt thread to one of the file sides. 

*Black oxide coating to prevent rust.