HM49 double row cup grinding wheel Product Description : Produce name double row cup grinding wheelModel No:HM49 Size3"-9"(80mm-230mm)UsageFor grinding marble, granite, concrete, ceramic, tile and stoneCertificationISO9001, ... ×3020 7"18022.235.0×7.0×3024 Double Row Diamond Grinding Cup Wheel for Concrete1. Usage: for grinding and sharpen marble, granite, concrete, tiles, masonry, stone ...