In reference to brian's mention about Permagrit Abrasives: I ran into these folks at Sun-N-Fun and purchased a few cut off wheels, abrasive bits, and their long sanding block (33" i think), has course on one side, and med. on the other. Their products work very well, and they are fine people to do buisness with... Make sure you tell them Brian, I have not been in touch in a while . Kurt Winker 173 FGE