Amazon.com: TCP Global 6" x 7/16" 10mm Thick Soft Density Interface Pad for DA Polishers & Sanders, 6 + 1 Hole Pattern Dustless, Hook & Loop Foam Cushion, Use Between Vacuum Sanding
2pcs 5 Inch(125mm) 8-hole Soft Sponge Interface Pad For Sanding Pads And Hook And Loop Sanding Discs For Uneven Surface Polishin - Polisher - AliExpress