Compact and user-friendly, this dual-use electric mill is perfect for a variety of tasks. Its stainless steel body ensures high durability while maintaining a lightweight design for easy one-handed operation and portability. Key Benefits: - Versatile Functionality: Suitable for engraving wood, eggs, cutting, drilling holes, grinding, and polishing materials such as wood, metal, and plastic. - Precision & Stability: The innovative 3-jaw bonded design securely holds grinding bits from 0.3mm to 3.2mm, providing consistent performance without chuck jitter or loss of stability. - Rechargeable Convenience: Features a dual charging design, compatible with both 5V and 3.7V charging bases, ensuring ease of use wherever you are. - Effortless Bit Replacement: Easily change grinding heads using a simple key insertion method. Specifications: - Product Name: Charging and Inserting Small Electric Dual-Use Mills - Output Voltage: 3.7V - Clamping Range: 0.5mm-3.2mm - Speed: Approximately 18000r/min - Battery: Requires two 18650 batteries (not included) Designed with ergonomics in mind, the non-slip texture enhances grip during use. The tail compass design adds practicality, making it a handy tool for all your projects. The solid wood storage box keeps everything organized and prevents loss of components. Use Cases: 1. Engraving intricate designs into soft wood or eggs. 2. Drilling precise holes for DIY projects or model building. 3. Polishing metal surfaces to achieve a smooth finish. Note: - Variations in size may occur due to manual measurement. - Color discrepancies may arise from lighting and display settings. Please refer to the actual product for true color accuracy. Thank you for your understanding.