SawMaster Grinding Cup WheelsGrinding Cup Wheels Single The GW Series Grinding Wheels contain one or more rows of diamond segments, continuous rims or turbo rims to effectively grind rough surfaces and provide smooth finishing on a wide variety of aggregates, including granite, stone, and concrete. These wheels are designed for use with right angle grinders. Applications Granite, Stone, Concrete, Masonry Single Single rim grinding cup wheels. When deciding which blade to buy,