General description This CCYKXA Mini Rotary Tool is a versatile electric drill grinder and sander, perfect for wood carving and various DIY projects. Its compact size and grooved switch design enhance usability and safety, making it an essential tool for engraving and grinding tasks. Technical specifications Power Supply: AC 100-240V (EU Plug) Design: Grooved switch for preventing accidental contact Heat Dissipation: High-quality heat dissipation holes for effective cooling Functions: Cutting, engraving, milling, grinding, polishing, disassembly, and drilling Usage This grinding pen is suitable for a wide range of materials, including: Aluminum plates Thin copper plates Plastic plates Boards Circuit boards Epoxy boards