Professional Nail Drill Set: Designed with a high-quality aluminum alloy handpiece, it is lightweight for steady operation. Equipped with 11pcs different nail drill bits and 56Pcs sanding bands, multi-functional for easily grinding, carving, cutting, polishing, removing gel polish and cuticles for both acrylic nails and natural nails..Adjustable Speed and Direction: Speed control button to adjust the speed 0-20,000 RPM. and the design with Forward and Reverse rotation directions are suitable for any right-handed or left-handed use. It makes this electric nail drill file for acrylic nails easier to smooth your nails..Low Noise & Low Heat: Aluminum 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.Powerful & Adjustable: Max 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.Professional Service: We have a 24 hours customer service. Any problem, kindly contact seller first.