It would be handy to the know the thickness thicken range for each shaft length. So we know what size we need depending on the thickness of tour actual clock we are looking to install this on.
Just a note of my experience with these people. I ordered a movement on 9 February 2022, they advised that they had attempted delivery on 2 occasions by Royal Mail supplying a tracing number which does not work and ignore my request through PayPal for a refund. Avoid.