... disc 2,Diamond tool 3,siemens motor,220V 4,for concrete,terrazzo planetary concrete floor polishing machine is ... but also for repairing, grinding, polishing, crystallizing millstones.planetary concrete floor polishing machine HWG 78 has the quickest motor ... Ideal for:1, For coarse grinding, medium grinding, fine polishing, crystallization, preparation, maintenance.2, Polish concrete, marble, granite ...