The LUSSONI MYLAR Trapezoid Nail File by Tb Tools For Beauty is designed for professional nail care, specifically for shaping gel or acrylic nails. Its trapezoid shape provides comfortable handling and precise control, while the dual-grit surfaces (100/180) offer versatility for both shaping and smoothing. The 100 grit side is ideal for filing down hard gel or acrylic, and the 180 grit side is perfect for refining and preparing the natural nail or smoothing the surface of enhancements. This durable nail file ensures an efficient and effective filing experience, leaving nails perfectly shaped and ready for the next step in your manicure.