3M Hookit™ Clean Sanding Low Profile Finishing Disc Pad - 20425, New Products: Auto Body Toolmart
3M™ Hookit™ Clean Sanding Back-up Pad, 89925, 5 in x 11/16 in 5/16 in-24 External
3M Hookit Sanding Disc Backing Pad 02700 3" x 1/2" 5/16-24 External Thread - New | eBay
Amazon.com: 3M Hookit Red Abrasive Sanding Discs, 01261, No Hole, 6 in, 80+ Grade, Pack of 50 Discs, for Auto Sanding, Primer Sanding, E-Coat Sanding : Everything Else