This straight nail file is perfect for shaping and repairing your natural nails, as well as acrylic or gel nails. The file features two sides with different grittiness, 100 and 180, meaning you can use it according to your needs. The side with the higher grit is suitable for tougher surfaces, while the finer side provides a smooth texture for finishing. It comes with 50 pieces, ideal for professional or personal use.