The Due esse nail file is a paper option that offers excellent quality for nail care. It features two sides with a hardness of 80/150, allowing it to be used for different needs. The hardness of 80 is coarser and suitable for removing residues, while the hardness of 150 provides a finer texture, ideal for the final finishing of the nails. It comes in a pack of 2 pieces, ensuring that you always have a fresh file available.