Pro Quality Manicure/Pedicure Dualsided Crystal Glass Nail File Set of 4 by GIGI Beautiful- Black

I bought these because I need to file my nails frequently to play the guitar and I wanted to compare these with emery boards. I haven't had them long enough to rate the longevity but these feel very nice. They require a lighter touch than emery boards, which is nice.

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Beautiful!! Durable!! and Washable!! without grit wearing away.