Superior design minimizes loading, glazing, and grain stripping Heavy duty vulcanized fiber backing holds up to the toughest jobs Comes in a 3-pack. SPECIFICATIONS. Size: 4-1/2 inch (114.3 millimeters); Grit: 36; Arbor: 7/8 inch (22.23 millimeters); Constructed with a heavy vulcanized... A unique blend of self-sharping Zirconia Alumina and Ceramic Alumina grains deliver a fast, consistent cut rate. TIGER ZIRC RESIN FIBER DISCS are made with Zirconia Alumina which is ceramic infused for faster, longer grinding. 9 x 1/4 TIGER ZIRC Type 27 Grinding Wheel Z24T 7/8 A.H Weiler 59732 - Tiger Zirc Resin Fiber Disc - 012382597320, 4-1/2" - 7/8 Arbor Hole - 36 Grit Zirconia A superior design extends disc life by minimizing grain shedding and promotes cool grinding on steel and stainless. Click on the Wailer link at the top of this page to see all Wailer products in our Brand Store. Quick change hub option reduces down time and eliminates interference from adapter rings 36 Grit Sanding Disc Pack Weiler - Fiber Disc: 4-1/2" Disc Dia, 7/8" Hole, Arbor Hole, 36 Grit, Ceramic Alumina | MSC Direct Weiler Grinding Discs Spiral molded backing pad design runs cool by increasing airflow and fits on all right-angle grinders (backing pad sold separately)