Rankin Industries Random 70402 Sanding Disc, General Purpose, Diameter: 4-1/2 Inch, Grit: 36, Abrasive Type: Aluminum Oxide, Backing: Fiber, Bond Type: Resin, Bore / Shank Diameter: 7/8 Inch, Product / Materials Abraded: Body Fillers, Paint, Plastics And Fiberglass