It's an all-in-one tool that shapes and buffs your nails to perfection. Gives nails a brilliant shine very easily and quickly Step 1.Coarse grit to shape nail；Step 2.Medium grit to refine the shape；Step 3.Fine grit to smooth edfes of nail；Step 4.Condition nail；Step5.Smooth Nail；Step6.Nail buffer; Step 7.Polish&Shine Easy to use as each side is numbered for the order to use and shows the function of each surface Washable sanding blocks, it can be cleaned with water and used repeatedly 12 count of nail buffers for general manicure and pedicure purpose or professional salon use nail files and nail buffers