Thread Repair Tool with Collet, Revive Damaged Threads in Seconds - Universal Tool for Inch, Metric, Pipe, Male & Female Threads-Thread (RT1) (3/8" Dia. Head x 2" Length x 1/8" Arbor) by Rotary Thread
Patented pending ez thread's, diamond rotary thread file repair tool easily restores internal, external threads no matter the pitch size or diameter. Fixes unci/unf threads, metric, and pipe. Now you can stop guessing thread pitch on home projects, at the shop, or in the industrial field, with ez thread's single profile thread approach, it doesn't matter .