[EXTENSIVE 42-BIT SET] Comes equipped with a comprehensive set of bits, including engraving, grinding, polishing, and carving tips. This versatility makes it perfect for detailed designs on jewelry, metal, glass, ceramic, and more, enhancing your ability to personalize and decorate a wide range of items. [CORDLESS, , AND PORTABLE] Enjoy the freedom of a cordless design with this compact and engraving pen. Its portability makes it ideal for on-the-go projects and home use. Simple to operate, it's perfect for beginners and professionals alike, fitting easily into your pocket for spontaneous crafting. [MULTI-PURPOSE ENGRAVING PEN] Ideal for a variety of materials including metal, glass, wood, plastic, ceramics, and leather. Perfect for DIY crafts, custom jewelry, personalized gifts, and home decor. This pen ensures precise engraving on necklaces, wooden plaques, and more, making every project . [ADJUSTABLE SPEED LEVELS] Featuring three speed settings ranging from 12,000 to 20,000 RPM, this engraving pen allows you to tailor the engraving power to the material's hardness. From soft plastics and leathers to harder metals and glasses, achieve smooth control and accurate crafting results. [LONG-LASTING PERFORMANCE] Powered by a high-performance motor designed to minimize wear and tear, this mini rotary tool can operate continuously for up to 30 minutes on a full charge. Built-in overload protection ensures durability and extends the tool's life, safeguarding against excessive resistance., Weight: 0.771617917 Pounds, Manufacturer: Ounfhtrttk