[Wbulk]

I have decided to go to a Raydot mirror mounted on the side of the windshield. I don't have the mirror yet but am now making various brackets out of 1/8" aluminum. Does anyone have the diameter of the mounting base for the mirror ? I have seen a few pictures of brackets but if you have an opinion about the height or how the bracket should be made please let me know. It would be appreciated.

Wayne