Personalize Your Project: Use this tool to transform ordinary projects into unique creations in just minutes. Make your work stand out with precision and ease. Versatile Application: Ideal for drilling and carving on a wide range of materials including glass, wood, crystals, steel, jade, sea glass, jewelry, ceramics, stones, gemstones, leather, eggs, plastics, and more. Simple to Use: Easily installs like a standard drill bit, allowing immediate use with your existing rotary tools. Wide Compatibility: Features a universal shank design that fits most rotary tools. Available in multiple bit sizes to suit various carving and engraving needs. Durable Construction: Built with long-lasting performance in mind, this ultra-durable carving drill bit handles intensive use, making it reliable for daily and repeated tasks. Specifications: Clamping diameter: 2.35mm Power: 15W Battery capacity: 500mAh Power supply voltage: 3.7V Idle speed: 6000-12000-25000 RPM Material: Aluminum housing Color: Green Dimensions: 12 x 3 x 3 cm Weight: 110 g, 130 g, 210 g Package Includes: 1 x Electric Charging Polishing Pen