12 PSC Nail File Kit Reusable Double Sided Professional Nail Files – Emery Boards Colorful Manicure Tools Pedicure Supplies Nail Shaping & Nail Buffer Nail File Set – Natural & Artificial Nails

Each board worked well.

These are nice, but they wear quickly.

I didn’t like any of them. The grit was so tough on each one. If the intention was some would be for natural nails they certainly failed. I’m so very disappointed!