Tower Tube Sizes

[Hyperryd]

Hey what diameter tubes are used on the Nautique towers that have tubes going across? Are they all the same size or are there different sizes? I'm working on a project that I am hoping will work for the Nautique towers, but I don't have access to a dealer around me. I am mainly looking to the cross tubes overhead. Solid towers or ones with covers aren't going to work yet. If anybody can take a caliper to theirs and post their model of boat and the result I would appreciate it.

Thanks

[Hyperryd]

Nobody has a tower? Lol. Any help would be appreciated. Just let me know the year, medel and size if you can. Thanks!