4" Diamond Segment Grinding Wheel Disc Grinder Cup Concrete Stone Cut, for Concrete Turbo Diamond Grinding Cup Wheel for Angle Grinder Heavy Duty (Gold) ... 115/125/180mm 5inch Diamond Grinding Disc Double Row Cup Wheel for Angle Grinder Stone Grinding, Asphalt Grinding, Ceramic Grinding (115mm) out of 5 stars 5.