The store is for you! If you are not satisfied with the product, please contact me first and do not leave negative feedback lightly. Thank you, have a good day Quality boutiques are at your service! Features: Lightweight and portable Nail drill bits can be used for natural or artificial nails Suitable for professional or home use Variable speed control: 18,000 rpm to 20,000 rpm Voltage: 100V to 240V AC 50Hz/60Hz Multiple uses: for engraving, engraving, wiring, grinding, sharpening, polishing, polishing, drilling, etc. Net weight: 160 grams Package weight: 170 grams Color: Delivery color is subject to the first main picture Package information: 1 x Variable Speed ​​Nail Polish Pedicure Set 6 x Grinding Heads 6 x Drill Bits Guide 'use: 1. This tool is designed for engraving, engraving, milling, grinding, sharpening, grinding, polishing, drilling, etc. 2. Before charging the tool, unplug it from the electrical outlet. 3. Press the handle release button, then use a wrench to loosen the lock nut. 4. Insert the drill bit (not included) and tighten the nut securely. Avoid overtightening the locknut and never use a damaged drill bit. 5. On/off switch. When the switch is activated, the tool rotates at a speed of 3000 rpm. Control button with orange line. Turn the knob to adjust the speed. Turn the knob toward the black point to stop completely. Shop Tips: 1. The size is measured manually, please allow the error (1-3 cm). 2. Due to different monitor pixels, there may be color difference, please refer to the actual product. 3. After receiving the package, if you have any dissatisfaction, please contact me first, do not leave negative feedback easily, thank you and have a nice day.