The Brillian Black Nail Drill (Nail e-file) is a high-performance tool designed for professional and home use, offering a seamless manicure experience with its ergonomic design, vibration-free and quiet operation. This desktop-type drill features an automatic overload protection system and easy-to-use speed control, ensuring both safety and convenience. The digital controller box, Brillian B100, boasts a maximum speed of 30,000 RPM and operates on a free voltage (SMPS) with an output range of 0-50W, while weighing just 439g. The compatible handpiece, H120, matches the controller's maximum RPM, delivers a torque of 3.0N.cm, and is lightweight at 165g without the cord. The product package includes a controller, handpiece, power cord, foot controller, motor stand, instruction manual, and protective film.