Bosch Professional 1 x Expert Multihole Backing Pad (for Bosch, Hard Version, Diameter 150 mm, Accessories Random Orbital Sander) : Amazon.de: DIY & Tools
Bosch Professional 1 x Sanding Disc Set Diameter 215 mm (Support Pad and Sanding Disc Protector for Bosch Professional GTR 550, Drywall Sander Accessories) : Amazon.de: DIY & Tools