Designed to fit standard dual action and orbital sanders. These discs are commonly used for surface preparation, woodworking, sanding paint, fiberglass and plastics, in addition to many other applications. They easily pull apart from the roll, allowing for quick handling and minimal down time. Commonly available in A-weight Silicon Carbide Lubricated Paper (salt/pepper gray and white in appearance) and in B-weight Aluminum Oxide Paper (gold color). Applying adhesives and cutting these discs into roll form is the most economical way of providing PSA paper discs. Feather edge backup pads for PSA Discs Paper PSA Disc Rolls Sizes, Material Specs and Availability A-Weight Silicon Carbide Lubricated Paper (125 discs per roll).     Sizes: 5" & 6" diameters     Grits: 220, 180, 150, 120, 100, 80 B-Weight Aluminum Oxide Resin Bond Paper (100 discs per roll).     Sizes: 5" & 6" diameters     Grits: 220, 180, 150, 120, 100, 80 Other grits and material specifications, or discs with vacuum holes may be available on a special order basis.