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I found the 120 flap wheel a little aggressive. The 400 grit flap wheel is a lot more controllable.

.... and I have some 80 grit paper for pitted wedges...

120 or 180 seems a better place to start most pitted wedges.
I would pick a 220 based on your picture. It looks rough but not pitted.

Can I ask the obvious did you get all of the scratches/pits out back at the 120 grit? If you aren't satin at the beginning you won't be shiny at the end.