Double-Sided Grit: These professional nail files feature two sides with different grit levels. The coarse side is ideal for thick toenails and gel nails, while the finer side is perfect for delicate nails and shaping natural nails. Multi-Purpose Use: These emery boards are suitable for nail styling and polishing. Use them on fingernails, toenails, natural nails, gel nails, acrylic nails, and false nails. Perfect for professional salons or DIY nail art at home. Ideal for filing around the cuticle and refining nail shape. Durable and Washable: Made from high-quality sanding material, these files are durable and long-lasting. The sandpaper is compact, leaving no residue after multiple uses. They are washable for easy cleaning and disinfection. Easy to Use: These files are easier to use than others, quickly removing hard gel and easily achieving the desired nail shape without generating excessive heat. The abrasive is perfectly balanced – not too coarse or too fine. Size and Package: Each professional nail file measures 17.8 x 2 x 0.4 cm. Ideal for professional or home use. The package contains 10 nail files, allowing for individual storage and portability.