Functional, versatile, and easy-to-use, it can be used for manicure, pedicure, acrylic, gel, dead skin, callus, and cuticle. It's an essential tool for nail-care veterans and newcomers alike. Pro Quality, Home Use Six Interchangeable Drill Bits 1. Mandrel sanding bands for surface work, shortening, and polish removal. 2. Large barrel for surface work and shortening. 3. Small barrel for surface work. 4. Safety bit for cuticle work. 5. Cone for under nails, cuticles, and sidewalls. 6. Under the nail cleaner for safe under nail work. Specifications Input Voltage Range: AC 100-240V 50-60Hz Output Voltage: DC 12V 2A Size: 24.5cm 20.5cm 10cm N.W: 1.1kg Drill Speed: 0-35,000rpm (adjustable) Items Included 1xNail Drill 1xPower Supply 6xDrill Bits 6xSanding Bands 1xUser Manual Troubleshooting How to Replace Drill Bit? 1. Turn central barrel clockwise (from "S" to "R") until hearing a "click" sound to release drill bit. 2. Remove current bit and insert desired bit. 3. Turn central barrel counterclockwise (from"S" to "R") until hearing a "click" sound to lock drill bit in place. 4. Then your nail drill is ready to use. Multifunction,Besides manicures Multifunction,Besides manicures and pedicures,can be used on small leather goods,wood and wall carving,punching and sanding. Easy to operate, you can share more nail art creation fun with your friends or family.Forward Reverse Rotation Direction: Humanized design with two way switch rotation direction suitable for both left hand and right hand use. Powerful Adjustbale: High torque and speed up to 30,000 RPM with a speed control knob, you can easily adjust the speed precision. And powerful for acrylic, gel and extension art nails. Suggest start with low speed for newbie. Multifunctional Update New Version: Electric nail drill machine can used for grinding, carving, cutting, shaping, polishing for all nail arts as well as cuticle removal. Designed with 6 nail drill bits collector, ventilation hole and handpiece cradle on the machine, it is more convenient to use. Powerful Function: Professional high-tech speed bearing and motor make the electric file low heat, low noise, and low vibration. Portable Compact Design: This nail drill machine made of high-quality metal, tiny and lightweight design, easy to handle and carry it anywhere.