Advice on Nut File Set

I recommend buying a nut seating file if you do any amount of nut replacements or repairs If you would like more information about replacing guitar nuts,

For Acoustic Steel-string Guitars Acoustic Light Custom nut file set for common Acoustic Light Gauge strings:

guitar nut slot depth Having precision, high quality guitar nut files for slotting, cutting and polishing new or existing nuts slots and bridges is critical

guitar nut slot 008 gauge string would you use a file etc, that kind of thing? Ultimately I want to get the nut slots spot on and I have guitars which I use sets of 8-38,