Features: This resin filled cup wheel features light weight thin flat body for less stress on the grinder than the normal steel body. Designed for faster and more aggressive, chip-free grinding and finishing on granite and marble. Loaded with high grade diamonds dispersed evenly through the matrix. Three option diamond grit sizes: COARSE, MEDIUM, FINE - to have the best performance on surfaces, corners, edges and angles of any granite, marble and stone surfaces.