Double row diamond cup wheel for concrete Original manufactory ... 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, ... required, please send all of your inquiry. Double row diamond cup wheel for concrete