Resin filled grinding wheel designed for chip-free grinding and profiling on natural and engineered stones. The resin filling significantly reduces chatter and chipping on delicate stone surfaces. All cup wheels are custom balanced for accurate performance. Applicable materials: granite, quartz, quartzite, marble, and other engineered stones. #80/100 fine grit with 5/8"-11 arbor. Use wet or dry with handheld grinders.