grinding cup wheel 1.fast rough dry/water-cooling 2.grinding&shaping of marble and granite surface, corners, ... highly attentioned and responsed at the very first moment.Diamond grinding cup wheel for grinding, leveling and polishing stones, such as granite, marble ... grinding and shaping of marble and granite surface, corners,edges and angles. Size(inch)3, 4, 5, 6, 7TypeSingle Row, Double Row, Turbo Row ...