[Package Contents] Includes 10 pieces of straight nail files, each piece of nail file double-sided design, respectively 100 grit and 180 grit. [Premium Material] Made of premium sandpaper and emery board material, sturdy and durable, can be used for a long time without easy damage. [Rough 100 Grit] The rough 100 mesh surface is perfect for trimming and shaping nails, easily trimming nails to the ideal length and shape, such as square, oval, rounded square, almond, ballet and pointed. [Delicate 180 Grit] Delicate 180 grit surface is suitable for polishing the nail surface and improving the bonding effect, especially for operations such as applying false nails, doing crystal nails or removing gel nail polish. [Professional Grade Nail File] Measuring 17.8 cm x 1.9 cm (7 inches x 0.74 inches) and about 4 mm thick, it is suitable for both personal use at home and professional needs in nail salons. Features: With this nail file, you can perform nail care and creative nail art with greater precision, and it provides excellent support whether you are a novice or an experienced nail enthusiast. Spectification: Material: Emery Color: As the picture showed Quantity: 10 pieces Warm tips: Please allow slight error on size due to manual measurement. Slight color differences may exit, please in kind prevail.