Electric foot grinder accessory kit for reliable foot care at home or in the salon. The kit combines durable metal nail drill bits with replaceable sanding paper discs to address dryness, roughness, and surface buildup on feet while delivering a smooth finish. Key benefits Safe design for steady operation: hollow bearing construction supports stable rotation and helps reduce snagging during use. Versatile abrasion options: includes replaceable sanding paper discs, flat nail drill bits, and a small sanding band nail drill bit to tackle different textures and thicknesses. Durable metal drill bits: metal nail drill bit components resist wear for extended use alongside refill sanding discs. Easy maintenance and replacement: sandpaper refill discs are simple to swap, keeping performance consistent over time. Practical results: designed to remove calluses and hard skin buildup and to smooth foot surfaces for a softer feel. Features and specifications Components included: sanding paper discs, replaceable sandpaper refill discs, metal nail drill bit, flat nail drill bits, small sanding band nail drill bit, flat disc sanding bits. Materials: abrasive sanding paper discs and metal drill bit construction. Design emphasis: hollow bearing design for smooth bit rotation and efficient material removal. Intended use: compatible with electric foot files and nail drill systems that accept sanding discs and drill bits. Typical applications Weekly home pedicure: use the appropriate sanding disc or nail bit on low speed to remove rough patches and maintain smooth skin between professional visits. Salon pedicure services: provide fast, consistent smoothing and callus reduction with interchangeable bits for different client needs. Prepping feet for cosmetic application or footwear: smooth the skin surface before applying cosmetic products or putting on tightfitting shoes. Usage notes Select the sanding disc or drill bit suited to the area and level of buildup. Start on a low speed and increase gradually as needed. sanding paper discs when wear reduces effectiveness to maintain consistent results. This kit offers a practical combination of abrasive discs and metal drill bits for routine foot surface care, with replaceable refills and a hollow bearing design to support smooth, controlled operation.