I realize this is an older post but I have some jimps I need to clean up, and I wondered what speed do you use for the wire wheel on the dremel? Slow or fast?
Here's a picture of the jimps I'm trying to clean up:
http://farm2.static.flickr.com/1280/...038713f9_b.jpg
As you can see near the pin they're quite rusty.
It's going to be tough to get into the little ridges with sandpaper to get them shiny after.