Backing Pad 125 mm for Bosch PEX 220A Sanding Pad as Replacement Part and Alternative to Original Bosch Support Plate Hook and Loop – Medium – DFS : Amazon.co.uk: DIY & Tools
150 mm Backing Pads /Bosch Gex 150 Sanders
Bosch Hard Sander Backing Pad for GEX 150 | Sander Base Plates