Dust hole and vacuum cleaner tube connection can achieve vacuum function and dust- environment The grinding disc is hook and loop fastener type and needs to be used with perforated sandpaper. Ergonomic handle can comfort during use.Comfortable grip reduces fatigue during extended periods of work Suitable for dry grinding and polishing of wood, plastic, stone and other workpieces., Weight: 0.4812470717198 Pounds, Manufacturer: Hipzeepo