Clark Orbital 3-Disc Wood Floor/ EZ-Sand American Sander Used. | eBay
Floor Sanding Discs | Norton Abrasives
Amazon.com: Floor Edger Sander Sandpaper, 7 Inch by 5/16 Inch Sanding Discs, Fit Essex Silver Line SL-7 and SL-7D2 Edgers, 100 Grit (Pack of 50 Discs) : Everything Else