MelodySusie Pen-Shaped Portable Nail Drill with AC Adapter, PC120B 20000RPM Electric File with Compact Design for All Nail Care, Manicure Polishing, Shaping & Gel Removal at Home for BeginnersPC120B Multifunctional: Designed with 6 kinds of metal bits (also works with all kinds of 3 32 shank bits) and 6 sanding bands, which are used for grinding, carving, cutting, polishing for all nail arts as well as cuticle removal. Adjustable Speed and Easy to use: 0 20,000RPM with a speed control button, which makes this electric nail file easier and safer to polish your nails. Just need to connect the power cord with it to start working. It is