Turbo diamond grinding wheel 1.Size:4",4.5",5",7",9'',10 ... fine floor 3.High efficiency and durable Turbo diamond grinding wheel 1.Size:4",4.5",5",7",9'',10'' ... of leading manufacturer in China and supplier of Diamond tools , Grinding tools, saw blade, drills, more than 30 years' ... style arranged segments are brazed on the cup wheel used for fast grinding concrete surface and floor. Big holes provide ...