POWERTEC 6 Inch Sanding Disc, 6 Hole Hook and Loop Backing Pad, 240 Grit Aluminum Oxide Round Sandpaper Disc for Random Orbit Sander – 25 Pack (45224) - Walmart.com
AutKerige 1000 Grit Wet Dry Sandpaper, 25 PCS 6 Inch Sanding Discs with Hook and Loop, Premium Silicon Carbide Abrasive Polishing Sandpaper for Auto, Wood or Metal Polishing and Stretches Removing - Amazon.com
6 Inch 6 Holes Sanding Discs, 100PCS 40 60 80 100 120 180 240 320 400 – Martin Woodworking
ABN 180 Grit Sandpaper Roll - 6 Inch Round Sanding Discs Aluminum Oxide Sandpaper Discs with Adhesive Back, 100Pc