Amazon.com: SING F LTD 5 Inch 125mm 8 Hole Sanding Disc Backing Pad Compatible with Bosch PEX 300/400 AE Eccentric Sanding Machine Power Tool Accessories : Industrial & Scientific
BOSCH PEX 300 AE, PEX 400 AE SANDER REPLACEMENT 125mm BASE / PAD - NEW – Tool Centre McKinnon