Originally Posted by
igitur55
Funny ~ I was doing a little sanding yesterday, and decided for the first time to wet the blade while I was rubbing. I used mineral oil, not water, and I have to say I was very pleased with the results. It seems to remove rust as it is leveling the metal. I was using 3,000 grit with mineral oil, and it left the blade fantastically smooth (I am working on a mirror finish, so any scratch will be immediately visible).
Question: does anyone use grits finer than 3,000? If so, where do you find sandpaper that fine?