... , water tank 3,diamond tool 4,leveling floor putty concrete polisher is not only grinding and polishing concrete, marble,granite, terrazzo ... , but also for repairing, grinding, polishing, crystallizing millstones.concrete polisher HWG 70 has the quickest motor speed, from 300 rpm ... 65DB Packing 1000*900*700mm The rotation way of concrete polisher HWG 70: The diamond tools to be chosen: The ...