SAIT 81205 Handy Rolls, Aluminum oxide grain. High quality DA-F material for high flexibility. Medium tensile strength. Primarily for hand applications. For use on metal and wood. Resin over resin construction for a strong bond resistant to heat and moisture. Egyptian cotton cloth backing for superior durability. Open coat structure prevents loading. United Abrasives is a world leader in manufacturing a broad range of grinding wheel, cutting wheel, coated abrasive, carbide bur, wire brushes, specialty products and much more.