Grizzly T25458 Nut Files, Set of 8
There's a good chance if you've heard of  Uo-Chikyu (also known as Hiroshima Files)  you either own some of their files or want  to. Their reputation for making precision  files used for slotting nuts and filing frets is  unsurpassed among luthiers. We carry a wide selection of individual Nut Files. This is the costsaving and  convenient  set of eight. Sizes include 0.010", 0.013", 0.017", 0.024",  0.032", 0.036", 0.046" and 0.056".  Made in  Japan.