Features: Suitable for sanding, grinding, carving, polishing, and drilling, perfect for your domestic projects and craft work needs. Feature a rechargeable with variable speed adjustments, this Grinders ensures smooth motor operation with concentricity, making it essential addition to any toolkit. Suitable for hobbyists, artists, and jewelry designers, this tool is perfect for anyone enhances their crafting capabilities with ease and efficiency. Whether you're working in a home studio, attending a craft fair, or engaging in detailed mobile phone repairs, this portable engraving pen offer convenience and performances. Suitable for various chip, cutting motherboards, and removing screws, ensuring you have the right tool for every task. Specifications: Component:Metal Type:01/02/03 Power: 15W Clamping diameter: 2.35mm Battery capacity: 500mAh Power supply voltages: 3.7V No-load speed: 6000-12000-25000 Package Includes: 1 Set Engraving Pen note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.