Powerful 850W motor with adjustable speed from 800 to 11000 RPM for versatile polishing of gemstones, rocks, and metals. Suitable for carving, polishing, and drilling a wide range of materials including jewelry, jade, agate, wood, and DIY crafts. Precision features include an adjustable water pipe and tank for cooling, an angle ruler for accurate measurements, and a 1.0-10mm drill chuck. Compact and lightweight design with a 27x22cm platform, ideal for use in workshops or by hobbyists without occupying much space. Responsive customer service available to address any inquiries within 24 hours for reliable support.