The metal file in a straight shape is ideal for shaping natural nails, as well as correcting any imperfections in acrylic or gel nails. Made from quality metal, it offers durability and effectiveness in use. It features two sides with different hardness levels, allowing for detailed nail care. The higher the grits, the finer the texture, providing a smooth surface, while the lower grits allow for more intense work; it is an essential tool for both professionals and amateurs.