Mini Handheld Engraving Pen and Portable Carving ToolControl and Design This engraving pen is designed to help work with steady control. Whether personalizing items, marking tools, or detailing wood projects, the ergonomic grip ensures handling during longer jobs. It features a motor that runs with low vibration. Power and Monitoring The pen features three speed settings, allowing users to pick low, medium, or high speed up to 25,000 RPM. A built in LCD screen tracks speed and battery level.