Mini Electric Grinding Pen 3 Variable Speed ​​Cordless Grinding Tool Kit Electric Polishing Grinder for Engraving Grinding Polishing

1. With speeds ranging from 5,000 to 12,000 RPM, three variable speeds make creating artwork a breeze. 2. Ventilation holes on the body dissipate heat, extending battery life and ensuring safe operation. 3. This grinder can be used for engraving, sharpening, grinding, polishing, sanding, and more. 4. It's also perfectly suited for wood, plastic, ceramic tiles, glass, stone, metal, and many other materials. 5. Designed for light-duty work and equipped with overload protection to ensure safe operation. 6. The soft rubber grip is comfortable to hold, and its easy portability allows for use anytime, anywhere. 7. The USB port and USB charging cable make charging incredibly convenient. It can operate for 90 minutes after a full 2-hour charge. Specification: Item Type: Mini Electric Grinder. Speed: 3 Speeds (5000-12000 RPM). Power: 5W. Battery Voltage: 3.6V. Battery Type: 18650 Lithium Battery. Battery Capacity: 700mAh (Built-in). Charging Voltage: 5V. Collet Diameter: Approx. 0.5~3.2mm / 0.02~0.13in (change the chuck yourself). Package List: 1 x Mini Electric Grinder, 1 x Charging Cable (Random Color), 4 x Sanding Sleeves, 1 x Sanding Sleeve Spool, 5 x Collets, 5 x Flint Grinding Heads, 2 x Grinding Needles (Random Style), 5 x Grinding Wheels, 1 x Grinding Wheel Connector, 2 x Wool Wheels, 1 x Wool Wheel Connector, 1 x Metal Brush, 2 x Plastic Brushes, 5 x Drill Bits, 1 x Accessory Storage Box, 1 x User Manual