The LZSDS 3 speed cordless engraving pen serves as a versatile crafting tool for wood, metal and glass detailing projects. It runs on a pure copper motor with a dual bearing system, reaching up to 18,000 RPM for fine detailing work.It supports Type C USB charging for cordless use across different workspaces. Each pack includes 1 engraving pen, 30 diamond burr bits for fine carving, 3 trimming tips for detailed crafting, 6 drill bits for light hole making, 16 pattern stencils and a USB cable. Users can swap tips for polishing, light drilling, trimming and other fine crafting tasks.A built-in smart chip offers overload protection to help reduce jamming during operation. The soft grip handle adds comfort for longer crafting projects. The tool weighs only 0.46 lbs for easy handheld operation.Suitable for DIY projects, craft hobbies, engraving and daily handmade detailing work. Bring your creative ideas to life with the LZSDS cordless engraving pen.