The Trendy professional nail files in gray color offer the ideal solution for shaping and caring for your natural nails. With a hardness of 100/180, these paper files have two sides, one rougher and the other smoother, allowing you to fix any imperfections on your acrylic or gel nails. Their straight shape facilitates precise application and is ideal for preparing them before applying acrylic or gel. Each set includes 5 pieces, ensuring that you always have supplies available for your nail care.