[CORDLESS, , AND PORTABLE]Designed for convenience, this compact engraving pen fits easily in your pocket for on-the-go projects. Its cordless nature ensures it can be used anywhere, making it perfect for narrow spaces and continuous work without needing a power source. [EXTENSIVE 42-BIT SET]This kit includes a wide range of engraving bits, grinding bits, polishing bits, and carving tips, making it perfect for detailed designs on jewelry, metal, glass, ceramic, and more, allowing for endless creativity in personalizing your items. [MULTI-MATERIAL ENGRAVING]Effortlessly engrave on various surfaces including metal, glass, wood, plastic, ceramics, and leather. Ideal for DIY crafts, custom jewelry, personalized gifts, and home decor, this pen ensures precise and clean engraving on every project. [ADJUSTABLE SPEED CONTROL]With 3 speed levels ranging from 12,000 to 20,000 RPM, this engraving pen allows you to tailor the engraving power to match the hardness of materials like metal, wood, stone, and glass, enhancing both ease and accuracy in your crafting. [ AND LONG-LASTING]Equipped with a high-performance motor and built-in overload protection, this mini rotary tool operates up to 30 minutes on a full charge. It automatically shuts down when overloaded to prevent damage and extend its lifespan., Weight: 0.0021825763938 Pounds, Manufacturer: Ounfhtrttk