SPECIFICATIONSNumber of Pieces: One UnitQuantity: 1 pcsItem Type: Nail FileModel Number: Nail Buffer Files Features:Colorful 4 ways Nail Buffer Instructions:1.File Nail Edge2.Remove Ridges3.Smooth Nails4.polish&Shine NailsThe four sides of each nail file block are easy to make your nail shining! Top quality sanding blocks for filing nail extensions,acrylic nails,false nail tips,natural nails. A handy little nail art tool to buff and shape up uneven nail surface before UV gel and acrylic application. Also can be used before applying nail polish or nail treatments. Perfect for general manicure purpose. Suitable for professional use or home use.