... core drill bits, profile wheel, grinding wheel.A>Double row diamond cup wheel for concrete Specification:Outer diameters: 4, 5, 6, 7 ... inchesCup wheel includes single-, double-row and turboSuitable for fast grinding, rough deburring, smooth shaping, finishing of stones ... : 1, Price must be most competitive 2, Good service: Good quality, good packing3, All orders will be delivery at time as ...