JDK 4 Inch Diamond Resin Filled Cup Wheel Grinding Wheel Insert 12pcs Segments with Thread 5/8-11 for Granite Stone and Tiles (Coarse)

4" (100 mm) diameter, Coarse grits, 12 aggressive diamond segments for sharper and more efficient grinding, Diamond segments embedded in resin for smoother grinding without damaging the stone, and sharper Smooth response is more flexible | Can be used on a variety of stones such as granite, tile, quartz, marble, engineered stone, other natural stones | Primarily used for grinding cup wheels resin filled flat and beveled edges, easy and fast grinding of curved edges | Use wet or dry. With water grinding is better | American standard 5/8"-11 arbors resin filled cup wheels install on angle grinders and polishers. different grits(Coarse, Medium,Fine) to achieve different grinding effects