Professional Quality OPI Nail File (100/180 Grit) Manicure  Crafted with precision, these OPI nail files are made using premium sandpaper, EVA, and Emery board materials, ensuring exceptional durability, reusability, and washability. Their superior construction delivers an enhanced buffing experience, making nail trimming and ridge removal effortless and effective.   The dual-sided design features 100/180 grit textures, with the coarse 100-grit side ideal for acrylic and thick nails, while the fine 180-grit side smooths nail surface imperfections and refines natural nails. Measuring 7.1 inches in length with a square shape, these professional-grade nail files are designed for ease of use, offering outstanding performance for both home DIY projects and salon-quality results. Versatile and reliable, these nail files are essential tools for shaping, polishing, grooming, styling, and extending nails. Suitable for fingernails, toenails, natural or acrylic nails, false nails, and even pet grooming, they provide everything needed for professional-quality nail care at home or in the salon.