MULTI-USE APPLICATION: For natural or artificial nails, for grinding, cutting, sculpting, polishing all kinds of nail art. Long hard use with 6 tips+100pcs sanding ring+1 brush ADJUSTABLE SPEED:The speed of this machine pierce the nails can be set from 2,000rpm/min to 20,000 rpm/min. Low noise, low vibrations and adjustable high speed for professional nail art. Idal for teachers or nail toys to file or sand false nails, simple and practical use. EGONOMIC DESIGN: this acrylic nail drill is divided into 2 parts, a main machine and a drill pen. The pen pse 130 g. A weight adapts to the requirements of comfort and quality. All questions, if it flat you contact the seller first. NOTE: In case of overheating, the automatic overload protection will be active. Please unplug the device and let cool for about 10 minutes before using it new About shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.