SAIT 72036 Flap Wheel, premium aluminum oxide grain with grinding aid. Excellent for reducing heat build-up on heat sensitive materials. Excellent for cleaning, deburring, polishing, blending. For use on stainless steel and metal. Resin over resin construction for a strong bond resistant to heat and moisture, Closed coat structure for more material removal, High quality Egyptian cotton cloth backing provides superior durability. United Abrasives is a world leader in manufacturing a broad range of grinding wheels, cutting wheels, coated abrasives, carbide burs, wire brushes, specialty products and much more.