The paper file in a straight shape is ideal for shaping your natural nails and correcting any imperfections in acrylic or gel. Each file has two sides with different grit hardness, allowing you to choose according to your needs. The higher the grit number, the finer the texture, while the lower the number, the coarser and rougher it becomes, offering suitable options for different uses. The package contains 10 pieces, ensuring you always have access to new and fresh tools.