Norton 4.5" Fibre Disc Back Up Pad | Car Paint Warehouse
3M Fibre Disc Backup Pad - For Angle Grinder - TN Quick Change - Metal Grinding Disc Pad - 4.5" x 5/8-11 Thread - 2140 Black : Amazon.co.uk: Business, Industry & Science
3 x 4.5" 115mm x 22.2mm Angle Grinder Backing Pads for Fibre Sanding Discs | eBay