Description: Multifunction: Electric nail file machine, equipped with 11 nail clippers, 50 sanding rings, suitable for grinding, polishing, trimming, removing, etc. acrylic nails.Portable: Portable nail sanding electric file, small and lightweight, easy to carry and store, can also be carried for travel.Features: Nail sanding machine, high speed 20000RPM, adjustable speed, low noise, with digital display.USB Rechargeable: Electric manicure pedicure tool for nails and toenails, USB rechargeable, long working time.Application: Nail sander nail file is suitable for home and salon use, suitable for professionals, beginners and nail art enthusiasts. Specification: Material: Aluminum Alloy Size Chart: 165mmx20mm/6.50inchx0.79inch Package Includes: 11 Grinding Head1 Bag of Sand Rings (50 Pieces)1instruction Manual1 Dust Cover1 Charging Cable Note: Please allow slightly errors due to manual measurement and different monitors.