The DEWALT DWE6421K Random Orbit 5" grinder was a perfect fit for me. I had a door jam problem; The frame is deformed. I tried sanding it down with a non-powered hand planer, but that didn't work because the planer leaves about 1cm (half an inch) of the door frame that it couldn't reach (where the frame meets the stops). ), but that also caused sticking. Also, the hand plane created some nasty kinks in the wood where its blade dug into the wood. The DWE6421K handles it all with ease. He got…