50mm Sander disc sanding 40/60 / 80/100 /120 /150/180/240/320 /400/600/800/1000/2000 Grit Paper , and polishing pad sandpaper.
https://www.vogueparade.com/shopping/EN/4204/1/1005001917263889/50mm-sander-disc-sanding-4060-80100-120-150180240320-40060080010002000-grit-paper-and-polishing-pad-sandpaper//