- Interchangeable Sandpaper Disc Set: This set includes 60 pieces of 25 mm sanding discs and one metal nail drill. The discs feature varying grits: 80 coarse (black), 150 medium (white), and 240 fine (pink), allowing you to choose the right grit for your specific needs. Ideal for effectively repairing calluses and smoothing skin to different degrees. - High-Quality Material: Our sandpaper discs are crafted from premium sandpaper designed for durability and longevity. They efficiently remove dead skin and calluses without causing harm to healthy skin. The foot care file is equipped with stainless steel bearings, ensuring compatibility with most electric foot sanders for reliable performance. - Practical and Hygienic Storage: The sandpaper discs come in a transparent storage box with compartments for organized access. Each disc can be easily removed and replaced after use, promoting hygiene and preventing foot infections when used by multiple individuals. - Easy Application: To use, simply peel off the backing of the sandpaper before treating your feet. Apply a layer of adhesive to the metal nail drill, which is compatible with most electronic nail drills thanks to its 3/32" handle. Start using the discs for a comprehensive foot care experience after filing. - Versatile Use Scenarios: Perfect for personal use at home, professional pedicure treatments, or sharing among friends and family. Ideal for maintaining healthy feet, preparing for special occasions, or simply enjoying a spa-like experience at home.