Ah, thank you very much for the quick help. I thought it was 3.500 grit in the first place, too, and it is good to have this confirmation. I think it is really difficult to get this finish manually, since it is something buff, shiny, but not polished yet? Nevertheless, thanks a lot!
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DizzyFugu --- Reporting from Germany
"All that we see or seem, is but a dream within a dream..." - Edgar Allen Poe