F2 Cordless Rotary Tool Kit Strong Magnetic Motor, Revostor Hub, 5 Variable Speed, 25000 RPM, 55 , for 3D Printed Sanding, Polishing, Drilling, Carving, Cutting DIY Craft, Grey 5-Speed Control & Efficient Motor: F2 with adjustable 5-speed settings (5,000-25,000 RPM) accommodate everything from fine grinding to coarse cutting. Equipped with a high-efficiency magnetic motor and a 3,000mAh battery for up to 20-120 minutes of use (depends on the material and the speed applied). RevoStor Hub: Features a 360° rotating magnetic accessory holder for organized and easy access. The aluminum alloy case is durable and sturdy, with a quick-access button for instant creativity on the go. Ergonomic Integrated Design: Compact and visually appealing, the ergonomic body ensures a comfortable grip, reducing hand fatigue. The seamless pressure-sensitive switch is dustproof, waterproof, and easy to clean, making it suitable for various work environments Safe and Reliable: A rear power indicator turns red below 30% battery, avoiding unexpected shutdowns. The front shadow-light enhances visibility during DIY tasks, while the side band displays real-time speed settings for better control 55 : Comes with a complete set of 55 neatly stored in the magnetic holder and case, perfect for rust removal, blade sharpening, polishing, engraving, and cutting materials like plastic, wood, and soft metals