UPGRADED VARIABLE SPEED CONTROL: Experience professional-grade precision with our advanced stepless speed adjustment. Unlike standard models capped at 500 RPM, our electric foot callus remover's powerful motor delivers speeds up to 1500 RPM—a 200% increase—for faster and more effective removal of hard calluses and dead skin. POWERFUL HIGH-TORQUE MOTOR: Equipped with a commercial-grade motor built with high-strength neodymium magnet materials and a durable metal gearbox. This robust combination generates exceptional torque, enabling rapid acceleration and instant deceleration for a smoother, more efficient, and controlled pedicure experience with your electric foot file. COMPLETE SANDPAPER DISC SET: This professional electric foot filer comes with a versatile 30 coarse-grit and 30 fine-grit sandpaper discs. This comprehensive set caters to all your foot care needs, from aggressive callus removal to gentle smoothing and polishing. 4.7-INCH EXTENDED BODY: Designed for superior comfort and control, our extended 4.7-inch handle provides a more secure and comfortable grip compared to standard 4.5-inch models. The longer body ensures you can maneuver this electric foot sander effortlessly without feeling cramped, even during extended use. SLEEK ALUMINUM ALLOY CONSTRUCTION: Crafted with a durable and premium aluminum alloy body, this electric foot file is built to last while offering a modern, stylish look.