Quote Originally Posted by jandl100 View Post
I'll need to find out the arm tube dia at the back. Perhaps a Techie owner can measure with a vernier caliper?
Can anyone help with this?
Quote Originally Posted by Gdg View Post
15.85 mm

in imperial should be: 0.5 in + 6/128 (but not sure how to read this on caliper)
Many thanks, Giovanni!

Does that sound OK, Steve?