COMPLETE 50-IN-1 DIY CRAFT KIT: Includes 1 cordless electric engraving pen, 30 precision drill bits, 3 heavy-duty grinding accessories, and 16 creative engraving templates. Perfect for customizing jewelry, designing personalized gifts, and upgrading your holiday craft decorations with ease. 3-SPEED POWERFUL 19,000 RPM MOTOR: Easily adjust between 3 versatile speeds to match your material. Whether you are polishing delicate details or engraving on harder surfaces, this high-performance tool delivers clean, precise, and professional results for both beginners and pro crafters. USB RECHARGEABLE & CORDLESS CONVENIENCE: Enjoy up to 60 minutes of unrestricted wireless operation. Features advanced fast-charging technology that reaches 80% battery in just 30 minutes and a full charge in 1 hour, keeping your creative projects running smoothly anytime, anywhere. TOOL-FREE BIT CHANGE & SAFE OVERLOAD PROTECTION: Swap accessories effortlessly with our secure, press-fit system—no extra tools required! Built with an intelligent overload protection chip, the device automatically powers off when resistance is too high, preventing damage and ensuring maximum user safety. MULTI-SURFACE VERSATILITY: The ultimate all-in-one tool for engraving, drilling, polishing, and grinding. Effortlessly works on resin, wood, crystal, glass, ceramics, plastic, leather, and stone. Ideal for custom keychains, glass etching, and endless DIY creations., Weight: 0.5070632026 Pounds, Manufacturer: twirush