GENERAL® Thread Repair File, #1, 11/12/13/14/16/18/20/24 TPI, Studs, Bolts, Screws and Pipe External Thread Use, Yes Restores Pipe Threads, Carbon Steel, Black Oxide

ITEM FEATURES:

• Contains 4-file covering 8-thread pitches
• Also can be used to restore rusted or corroded fasteners
• Doubles as a screw pitch gage
• Black oxide finished to prevent rust