I know that sounds like a lot but I have been buying and selling kits since the 70's and they do accumulate....lol. I try and get a few finished every year but sometimes it's less and sometimes more depending on life.
I have been building since I was 8,I'm 56 now.I love building but we have just moved and it will be a long while before I can get back to it.There are approximately 500 kits stashed in the garage for when I dive back in.
It goes down to almost zero.It looks like a regular machine lathe chuck with reversible jaws but the body is only like
1 3/4 od.Great for doing small stuff.......