7" Spiral Cup Wheels - Yellow Series - Threaded 25 / 30 Grit  Spiral cup wheels are well suited for all concrete preparation needs. Whether you need to remove trip hazards from concrete, prepare it for general use, remove coatings and glues or polish it to a high sheen. Different grits and segments available depending on the desired level of scratch.

7" Transitional / Ceramic Cup Wheels - Threaded When it comes to grinding and polishing concrete, ceramic bonds are a medium between metal bonds and metal resin bonds. They are designed to be used wet and provide exceptional longevity on hard and medium concrete surfaces offering a beautiful finish. Ceramic cups are perfect for edging and can often eliminate the need for a metal bond cup. They are designed to prep and polish simultaneously, saving time and effort. These cups are highly effective on hard and medium concrete surfaces, delivering a smooth finish that is second to none. Different grits and segments available depending on the desired level of scratch.