Bosch Professional Sanding Pads (Ø 125 mm, Medium Hard, with Hook and Loop System, Accessories for Random orBit Sander PEX 270 A/PEX 270 AE) - Amazon.com
5inch 125mm Backing Pad Sanding Plate Hook And Loop For Bosch PEX 300AE 400AE 4000AE Sander Electric Polishing Disc - AliExpress