Indeed I have Terry, and they work great !
They don't seem to last a long time, but for the price and the amount of polishing accomplished, they are worth it. When they started to wear a little bit, the bristles tend to sort of flatten out and not work quite as well. I would then start running the dremel in the opposite direction, or flip them on the little shaft.
Also would stack 3 or 4 at a time rather than just one.
Thank you for the link too