This machine is for polishing and burnishing castings. It features: low noise, high rotational speed easy operations. The machine has a safety protection device, lighting device and a vacuum passage. The vacuum passage can be connected directly to a vacuum for dustless operations. The motor and protection device are embedded in this machine to make it easier to carry. The advantages of the suction box are: low noise, small size and strong vacuum power, and it is very easy to carry, operate and clean. Voltage:220V/ 110V Power：350W Suction hose diameter: 4cm Motor rotational speed: 3000rpm Shipping Dimensions: 675x495x525(mm) Shipping Weight: 35.5kg key words: dental lab equipment, polishing lathe, dust collector, suction, laboratory, jewelry, bench lathe, spindle, polishing unit, dust collecting, suction box