100 grit nail files: Coarse and sharp. use to take the length down and to shape side walls and free edge Filling poly nail extension and acrylic nails, Rough up hard fingernails or toenails. ( the other side of the nail file that is blank) 180 grit nail files: Medium coarse and medium sharp. use to contour the whole nail; to prep natural nail before applying any product and also during manicure to shorten or shape natural free edge (the side where the logo and grit number (100/180) is displayed on the nail file) Three different styles of nail files are suitable for different kinds and sizes nail tip, shape the nails to your desired length and shape. The edges do not cut the skin and they are comfortable holding while filing your nails. Works great with acrylic, poly gel, hard gel and dip power nails. If your cats/dogs have issues with nail trimmings these nail grooming files will work! These high-quality 100/180 grit emery board nail files are the perfect solution to maintaining beautiful acrylic nails, gel nails and dip nails! Whether your nails are chipped, bristled, or just require daily maintenance, these are surely the best helpers and also terrific gifts for girls. Warmly Tips: The higher grit it has, the finer the surface it is and more suitable for soft nails. As there are differences for each nail, we only give a common advice, pls choose the right grit that suits you.Multiple Occasions: nail files bulk are suitable for most daily occasions, such as for nail salons, home use, nail design lovers, enjoy the fun of DIY nails with sisters, use your imagination to design nails with this tool. Washable and Reusable: professional nail file is not for one time use, you can clean with water and air dry after application, then store professional nail file for the next time use, fit for rough nails and toenails, make edges of nails smooth and delicate. Double-Sided Grit: 100/180 grit nail file is a must have for acrylic nails, dip nails and gel nails. The coarse sand surface is fit for filing and shaping, while a fine sand surface is for smoothing up the nail edge. Multi Shaped: different styles of Semicircle Shape, half moon shape and rectangle shape, suitable for most shape of hand, and it is more labor-saving when filing nails, these nail files for natural nails can be your great manicure partner. What You Get: the whole package comes with 150 pieces nail files in 3 different styles. Each style has 50 pieces, enough to meet your daily requirement of using, replacing and sharing.Best Sellers Rank: See Top 100 in Beauty & Personal Care. Unit Count: 150.00 Count. Grit Number: 80. Brand: Beieverluck. Material: Emery. Color: Grey. Country of Origin: China. : B0BNL3P5MN. Manufacturer: Beieverluck. Date First Available: November 29, 2022. Item model number: num0065. Product Dimensions: 7.87 x 4.72 x 3.94 inches; 3.33 Pounds.