Originally Posted by NAMOR
^ where do you get that polishing bit?
Any hardware store, Home Depot, etc. It's a cotton buffing wheel with whatever mandrel fits your drill. The wheels are only a few bucks (I use 4" diameter ones, but anything will work), and you can pick up a cordless screwdriver for $20-$30 bucks. There's something to be said for using good old fashioned elbow grease, but this takes Uncle Mac's method into the 21st century.