This excellent product for the care of your hands from the Beter brand contains 3 files, these made of fiberglass. Both sides of these files allow for shortening, shaping, while polishing both fingernails and toenails.
How to use:
File on the medium grain side (180 grit).
Outline the contour on the fine-grained side (240 grit).
The glitter side of the gold file is not used for filing.