Obviously not their intended use, but could get you out of a jam haha. I recently bought the flexvolt grinder because I bought into the idea of having corded power. Although I haven't really been able to test it's run time with the 2.0/6.0, I thought I was going to upgrade to the 3.0/9.0 when it came out, but now I'm not so sure. The first words out of anyone who picks it up at work is wow that's heavy, and that's with a 2.0/6.0. Now after owning it I don't know if I'd want it to be much heavier or bigger. I have a couple fuel grinder that I honestly thought I would buy some 9.0 for to get that long run time. But after having the flexvolt I'm starting to think a m18 5.0 with a lighter more compact grinder is better for probably 75%-90% of my tasks.