Dura-Gold Pro Series 5" PSA DA Sander Backing Plate Pad - Flexible Low Profile Edge, Dual-Action Random Orbital Sanding Pad, Vinyl Faced For Self-Adhesive Stickyback Sandpaper Discs - Auto Woodworking - Amazon.com
6” DA Orbital Sander Backing Pad For PSA Adhesive Discs - Benchmark Abrasives
9 in. 60/80/120 Grit Cloth-backed PSA Sanding Discs with Zirconia Alumina Grain, 3 Piece