Diamond cup wheel 1Type: 30/40,70/80,140/200 2,Diameter: 3'', ... concrete, masonry materials and medium hard stone. The turbo cup wheel is specially engineered for quick remocal of material and leaves ... as Marble, Granite, Concrete, Reinforced concrete, Asphalt, etc. Diamond Cup Wheel, Diamond Grinding Wheel, Grinding Cup Wheel, Abrasive Wheel