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
125mm Rubber Backing Pad - M14 x 2mm - Orbital Sanding & Polishing Disc Plate | DIY at B&Q
M14 Angle Grinder Grip Disc Backing Pads 4.5"(115mm) to 7"(180mm)
4.5" Rubber Backing Pad support for 115mm angle grinder fibre disc
4.5" backing Pad for fibre discs - Sparks Welding Services
Mirka Backing Pads 'Flexon' Fibre Discs - spray guns direct