SAIT Blue Line Abrasive Disc, Close Coated Premium, 9-1/8 in Disc Dia, 7/8 in Center Hole, 60 Grit, Z Zirconium Abrasive, Fiber Backing, Applicable Materials: Stainless Steel, High Tensile Steel, Ferrous and Non-Ferrous Metals, 6600 rpm Maximum.
SAIT Blue Line Abrasive Disc, Close Coated Specialty, 7 in Diameter Disc, 7/8 in Center Hole, 400 Grit, C Silicon Carbide Abrasive, Fiber Backing, Applicable Materials: Glass, Marble, Ceramic, Hard Cast Iron, Ferrous and Non-Ferrous Metals, 8500 rpm Maximum.