The bases are threaded as you can see in the pictures, but the threads are pretty beat up. The very bottom of the threading is good though, so if you put spacers between your counter and the bottom of the threads ( a stack of 2x4's with a hole down the center) all should be good. Depends on the...
That is correct. And all are identical. I am more than happy to send pics of all of them if you would like, but it seemed a little redundant when I was posting earlier.
I have 4 sets of towers pulled out of a restaurant remodel. These things are beautiful and you can see more details on my Craigslist add. here
I'm not ready to consider parting these out yet, but if I don't find any interest in the whole towers, I will re-list as parts.
Thanks!