Also they vary wildly in price. Is this one worth getting? (Amazon.com product link shortened)
It's certainly cheap enough, but do you need something to hold onto to stop the whole thing revolving?
Is it worth spending the extra for this: (Amazon.com product link shortened)
And when it says impact rated for that second one, surely the impact is in the wrong direction?
It's only for the occasional job, including one coming up shortly where I will be drilling a few holes into bricks.