Electric Engraver, Professional Micro-Engraving Pen, DIY Engraving Tool Kit for Metal, Glass, Ceramic, and Plastic Jewelry, Metal Engraving Machine, Lettering Pen

Works perfectly on metals, porcelain, glass, plastic, and other hard materials. Using typical alternating current frequency cycling, the equipment generates high-speed vibrations to drive the high-hardness metal wick for engraving. The speed can be adjusted to meet the requirements of different materials. Pen-like design; hold and engrave like writing, easy to use. Low noise, high concentricity, and comfortable grip.