Versatile and Durable: Our nail files are made to last and can be used on both sides. The 100-grit side is thicker and ideal for polishing hard nails or toenails, while the 180-grit side is finer and perfect for precise nail edge modification.Effective Nail Care: These nail buffer sanding blocks are excellent for removing nail polish or glue, as well as buffing and shining your nails. Suitable for nail salon use, they are perfect for nail shaping, touch-ups, and polishing.The size of the nail file is 17.9*2.8*0.4 cm, and the size of the sanding block is 9.5*3.5*1.5 cm.Package: This nail care set includes 4 packs of thin nail buffer sanding blocks and 4 packs of double-sided black nail files,rhombic. The nail file has one side with 100 grit and the other side with 180 grit.Perfect Nail Art Companion: Whether you're a professional nail technician or just enjoy doing your own nail art, this nail care set will enhance your nail styling experience. Get ready to create stunning nail designs with our high-quality nail files.