1)240KG Weiqht,4 head hand concrete grinders 2)380V/220V 10HP 0-1800RPM ... 580 3)Siemens motor 4)Efficint JS-580 hand concrete grinders Market position: We are manufacturer for medium ... and new floor applying, etc.2, On floor surfaces covering concrete, epoxy, stone, marble, granite, terrazzo, etc.3, Under ... dry and wet.4. Fit kinds of tools covering resin bond diamond pad, metal bond diamond pad, PCD ...