Material: Plastic + Metal Color: gray, white, black Handle speed: the speed can reach 20000 revolutions per minute Package Contents: 1 * Power supply 1 * handle 1 * bracket 6 * Metal grinding head 6 * Emery cloth grinding head 1 * Manual 1.Acrylic Nail Kit with EverythingThis professional Acrylic Nail Kit with standar 6 Sanding Bands and 6 Drill Bits, will not cause unnecessary waste, it is perfectly used in spas, beauty parlors as well as personal use in home. 2.Multi-UseThe Electric Nail File can be used for natural nails, toenails, artificial nails, pets nail, acrylic, glass - Carving, Engraving, Routing, Grinding, Sharpening, Sanding, Polishing, Removing callus. 3.Powerful & AdjustbaleHigh torque and speed up to 20,000 RPM with a speed control knob, you can easily adjust the speed precision. And powerful for acrylic, gel and extension art nails. Suggest start with low speed for newbie. 4.Low Noise & Low HeatAluminum handpiece body with heat emission holes design makes efficiently heat dissipation. Lightweight handpiece with low noise and low vibration for smooth and long-time operation. 5.SUITABLE FOR NAIL LOVERSWhether you are a nail lover or a student learning nail techniques, this manicure and pedicure set is an ideal addition. With these devices, you can easily and gently treat your hands and feet with a standard of perfection and elegance.