1. Grinding, Cutting, and Polishing Equipment Gemstone Polishing Grinding Machine With an 850W motor and adjustable speed control (800 11000 RPM adjustable speed), this machine can polish gemstones, stones, metals, and more. 2. Compact Tabletop Grinder Polisher Whether you're a professional in a busy workshop or a hobbyist working on DIY projects, this polishing buffer (27 * 22 cm platform size) can be used anywhere without taking up too much space. 3. Precision Processing This mini tabletop circular saw for crafts features an adjustable universal water pipe and water tank for water cooled processing. Angle adjustable ruler for more precise measurements at any time; 1.0 10mm drill chuck; Maximum cutting depth: 4cm. 4. Equipped with Grinding/Cutting Accessories The rock polishing buffer machine also comes with a variety of tool accessories suitable for cutting and grinding jade and wood, such as: drill bits / grinding discs / saw blades / 9/10mm bead making tools and other 150 piece accessory tools.