Quote Originally Posted by McCreed View Post
I don't think I've ever gone beyond the 6000, and tbh, probably could stop at 4000 without a very noticeable difference.
Whereas I find that for getting a polish on paint or plastic, it's the 8000 and 12000 that really get things shiny. Less so for frets, but I like to know that the frets are as smooth as I can get them (especially when followed by metal polish).