5 kinds of nail drill bits are available for use, easy to replace and use, meet your different needs. Light weight and in small size, easy to store and carry, suitable for DIY personalized crowd. The forward and reverse rotation integrated design makes the product more concise, convenient for use. 2 gears rotating speed, easy to adjust. Made of high quality material, and eco‑friendly, firm and It can be used for nails or artificial nails, very suitable for personal or home use.