Start by filing your nails with the 1st coarse surface, then continue with the 2nd medium to get your nails smooth and fine. To polish your nails and give your nails shine and a beautiful finish, use the 3rd fine and 4th super fine surface as a finish on top of your nail. If you follow these 4 steps with the nail file, you will get super fine nails that are ready to have a nail polish applied or just be naturally fine.
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