I bought this to cut recessed holes in the ceiling. The fact that it was adjustable worked well because the holes had to be just over 6 inches, but the tool doesn't work very well in terms of cutting drywall. I have a powerful cordless drill, but it's still sticking. And despite the plastic trash can, the dust came out of the drywall and went everywhere. Also, during the process, the blades didn't want to stay in the cut all the time. I ended up having to scrape the edges of the holes with a…