150mm 5/16 + M8 Thread GRIP 6+1 Hole DA Orbital Sander pad - Flexipads
Porter Cable 13904/13909 5 Inch Sander Pad 5 Hole Fits 333 & 333VS Orbit Sander 723707050924 | eBay
Porter Cable 13904 Aftermarket 5" 5 Hole Hook & Loop Random Orbit Sander Pad 657258193420 | eBay
Turbo Multi-Hole Velcro Backing Pad for Random Orbital Sanders, 6" (152mm) Dia, 5/16" + M8 (Festool-Fit) Thread - SAIC Ltd.
Disc Sanders Industrial & Scientific 10Pcs 5 inch 8 Hole Hook and Loop Sanding Disc 3000 Grit Flocking Sandpaper Random Orbital Sander Paper pan-uk.org
5-Inch 8-Hole Sanding Discs 40#-1000# - VADANIA Hardware UK
LESNIC 100 Grit Sanding Discs 50 pcs, 125mm Sanding Sheets 5in 8 Holes Pads Hook and Loop for Orbit Orbital Sander and All Oscillating Tools : Amazon.co.uk: DIY & Tools