Quote Originally Posted by largeformat pat View Post
The other option is to use aluminum tube, this all I did. I cut the arms myself from round bar. Used a center punch to crease the aluminum round bar where the set screws sit. Then slide the aluminum tube over to act as the spacer.
Hope it helps
McMaster Carr seemed to have almost too many options. I was thinking the aluminum would be best. Aluminum tube would be good for the spacer.

I delivered the Chromega head to its new owner today, I'll pass this info on to him.