10piece Sponge Nail File Set for professional and home use. Doublesided 100/180 grit blocks made from sponge, sturdy plastic board and emery board materials. Designed with rounded edges for safer handling and a firm core for controlled filing. Key benefits Dual grit for efficient results: 100 grit side for shaping and reducing length, 180 grit side for smoothing edges and refining the nail surface. Versatile compatibility: works on natural nails, acrylic nails, and UV gel nails for prep and finishing. Comfortable and durable: sponge outer layer with a sturdy plastic board core offers a balance of flexibility and support for precise filing. Safe design: rounded edges reduce the risk of catching or damaging surrounding skin. Portable and easy to use: lightweight blocks are convenient for salon stations and athome kits. Specifications Quantity: 10 pieces Grit: 100/180 doublesided Materials: sponge, plastic board, emery board surface Size: 9 x 2 x 0.8 cm (3.54 x 0.78 x 0.31 inches) each Color: random What is included 10 x 100/180 grit sponge nail files How to use Start with the 100 grit side to shape and shorten nails or to remove bulk from acrylic or gel enhancements. Finish with the 180 grit side to smooth edges and create a refined surface before applying polish, gel, or coat. Use light, even strokes and check progress frequently to avoid overfiling. Practical use scenarios Athome manicure: shape and smooth natural nails before polish application for a neater finish. Salon preparation: roughen and level acrylic or gel surfaces before bonding or overlay procedures. Pedicure touchups: quickly reduce and refine toenails during routine foot care. This set provides a reliable, multiuse filing solution for both and professional nail care needs.