Features:1. Multi-purpose, it can be used to trims callous cuticle, removes hard gel, also performs for sanding, polishing, drilling, etc.2. Compact size and lightweight, easy to use and carry.3. 0-20000rpm rotation speed, convenient and efficient.4. Lower noise, less vibration and better stability, this product is extremely quite and smooth.5. 6 kinds of metal drill bits(also for all types of drill bits) and 6 sand rings.6. Suitable for professional salon use and personal use.7. It works great on both natural and artificial nails. Specification:Item Type: Nail Drill MachineMaterial: PlasticColor: As Pictures ShowPower Supply: USB Rotation Speed: 0-20000rpm Item Size: 13 * 1.8 * 1.8cm / 5.1 * 0.7 * 0.7inch Package Weight: Approx. 228gFunction: Nail PolishingPackage List:1 * Main Machine1 * Power Cord1 * Set of Sand Rings1 * User Manual6 * Grinding Heads5 * Grinding Heads