I have two. One for pandora size 3/16 and one for regular (1/16, 3/32, 1/
I had the adapter for doing pandora size beads for thank-you regular size - which I had first - and the weight made it struggle. I thought I could get the larger one and *just* use that, but it's so heavy, that I don't like it for regular beads.
In general, and it I've said this in numerous threads, I love this tool
Every bead base starts with it. If it's highly sculptural, I remove it and finish by hand. If not, it stays in get holder the whole time. Once you're used to it, you can lay down a base bead and get a good shape at faster than without it. Because it spins, you can also have incredibly even shapes.
It has totally saved my left thumb.