Replacement sandpaper disc features Replaceable sandpaper disc is approximately 1.69 inches in diameter and fits all this type of size brand of electric foot file callus remover. Replacement sandpaper refill is cuttable , if your foot file replacement sandpaper is smaller than 1.69 inches, you can also cut it to the right size. After use, replace with a new one, clean. Single use, no need for you to clean, very convenient for home and salon use. Replacement sandpaper disc has strong adhesive backing , stick firmly, when you use it, it won't fall off. Easy to replace after use, not easy to leave the backing on the electric foot file. High quality adhesive backing Stick firmly and won't fall off Easy to replace and clean Package details 1 Box (60pcs) replaceable sandpaper disc refill, Grit 80