Providing better quality, price, and reliability the 7 inch Arrow Segment Grinding Cup Wheel. The choice of professionals for aggresive grinding of high spots on concrete, mortar, and stone. . A 5/8-11 arbor size will fit all types of angle grinders with wet and dry grinding on any abrasive material. This cup wheel has an impressive .275 inch segment height and arrow shaped segments, which provides simultaneous scraping and grinding. Therefore, this Arrow Diamond Cup wheel helps you remove coatings and prep your concrete in a single step. Moreover, it prevents build up of ground material between the segments or gumming which helps with longevity of the cup wheel. The air holes around the cup wheel also provides better cooling while doing extensive grinding operations. Do you need a different size for your cup wheel? The Arrow Cup Wheel can also come in a 5 inch diameter. Check our product buying guide for a better idea of what the perfect fit is. Features: 7 inch diameter Arrow segments for simultaneous scraping and grinding Segment height .275 inch (7 mm) Works well on small or large Angle Grinders For Wet and Dry grinding 5/8-11 inch arbor size Air holes for cooling and better dust collection Applications: Concrete Masonry Stone