The Savni Filer 100/180 is a versatile nail file designed for both natural and acrylic nails. With a dual-grit surface, the 100-grit side is perfect for shaping and shortening nails, while the 180-grit side is ideal for smoothing and finishing. This high-quality file ensures a smooth, professional finish, making it an essential tool for both beginners and professionals in achieving flawless nails every time.