... Diamond Tools Co.,Ltd, we are always at your service.Convex Diamond Polishing Pad for MarbleConvex diamond polishing pads for marble ... for marble are wet used for granite, marble, engineered stones. Convex diamond polishing pads are commonly used in polishing the wash ... or oval shapeGrit: 50#, 100#, 200#, 400#, 800#, 1500#, 3000#Convex shapeApplication: Applied in various types of stone such as granite ...