These fiber backed, coated abrasive discs are for use on right angle grinders. Weiler's line of premium resin fiber discs are suitable for light grinding, blending, surface preparation and finishing on a variety of materials

Weiler® 59573 Fiber Disc, Diameter: 4-1/2 Inch, Grit: 36, Abrasive Type: Aluminum Oxide, Backing: Fiber, Bond Type: Resin, Bore / Shank Diameter: 7/8 Inch Arbor Hole, Product / Materials Abraded: Most Metals, Plastic, Wood And Fiberglass