The United Abrasives/SAIT Ovation® Attacker® Flap Disc is contaminant free. Made with high performance zirconium grain, the Ovation® Attacker® Flap Disc is designed for a wide variety of grinding and finishing applications. Our Fiberglass backing will wear uniformly with abrasive cloth, will not splinter or smear on the workpiece. Lighter, quieter operation. Proudly manufactured in the USA.RECOMMENDED USE: For use on stainless steel, high tensile steel, titanium, ferrous metals, non-ferrous metals, aluminum, copper, brass, etc.FEATURES: High density, Type 27 flat shape flap disc. High performance zirconium grain for a wide variety of grinding and finishing applications. Provides long life while maintaining high stock removal rates. High density flap discs have 40% more material than conventional regular density flap discs. Fiberglass backing will wear uniformly with abrasive cloth, will not splinter or smear on the workpiece. Lighter, quieter operation. Proudly Made in the USA.COMPATIBILITY: Angle Grinder; 8500 max RPMSPECIFICATIONS: 7" diameter, 7/8" arbor, 80 grit, Type 27MATERIALS: High performance zirconium grain; fiberglass backing