I am always trying to fix or improve things in my house. After building a pergola 2 years ago, I updated my old drills because it was hard to fit it between the boards to work not to mention n it was ridiculously heavy for the job. Then I put up a corner shelf next to a cabinet and found that my smaller drill still still demanded another solution, so I bought a corner bit. It wouldn't have been possible to do that job without it. But even that attachment was not good enough to use my drill in reSee full review