Reddit reviews Crescent Nicholson 4 Pc. Thread Restoring File Set - T33024

Ideal for restoring damaged or worn external threads on bolts and pipesThread restoring files can be used with 8 different thread sizes, allowing you to find a true fit effortlessly4-piece set offers 3 convenient file sizes for quick and effective applicationColor caps on tubes help identify the file type, so you can select the tool you need with easeType 1 Black Cap: Regular Bolt; 11, 12, 13, 14, 16, 18, 20, 24 TPIType 2 Red Cap: Ex. Fine/Ex. Coarse Bolt; 9, 10, 12, 16, 20, 27, 28, 32 TPIType 7 Green Cap: Regular Pipe; 8, 10, 11 1/2, 14, 16, 18, 24, 27 TPIType 8 Blue Cap: Metric Bolt; .80, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00 mmUsed to restore damage or worn external threads on bolts, pipes, etc.Each thread restoring file will work with 8 different thread sizesConvenient 4-piece setColor caps on tubesType 1 black cap: Regular bolt; 11-12, 13-14, 16-18, 20-24 TPI Type 2 red cap: Ex. Fine/ex. Coarse bolt; 9-10, 12-16, 20-27, 28-32 TPI Type 7 green cap: Regular pipe; 8-10, 11 1/2-14, 16-18, 24-27 TPI