Mini Cordless Rotary Tool USB Rechargeable Grinding Pen Set for Electronics Repair Cutting Engraving Drilling Polishing

Feature: 1. Versatile Usage: This mini cordless rotary tool provides 5 gears speed for versatile applications like cutting, engraving, drilling, and polishing, making it suitable for crafting and electronics repair 2. Convenient Design: The cordless engraving pen includes a quick change bit system with 7 replacement heads and universal 2.35mm shank, ensuring seamless switching between tasks without additional tools 3. Ergonomic Optimization: With an ergonomic grip and anti rolling body, the grinding pen ensures comfortable handling and stable placement during use, reducing hand fatigue during extended projects 4. Smart Functionality: This cordless tool automatically remembers your last speed setting, eliminating the need to readjust each time you power on, while the insert pull design ensures precise bit alignment 5. Long Lasting Power: Equipped with a built in 1000mAh lithium ion battery, this USB rechargeable carving pen provides extended runtime for uninterrupted work sessions on various materials Specification: Item Type: Mini Cordless Rotary Tool Product Material: Aluminum Alloy Power Supply: 1 x 1000mAh Lithium Ion Battery (built in). Package List: 1 x Grinding Pen 7 x Grinding Heads Note: There is a slight error in the size.