Need carrier tube od

[MJ'sBlkBII]

I am puting a mirror arm CB antenna mount on the tire carrier of the BII. I need someone to give me the OD of the main tube so I know which one to get. I think it's 1 1/8" or 1 1/4".
I'm on the road and want to have the mount by the time I head home.
Thanks!

 

[Mack1100]

It is 1.25" plus paint on my 88

 

[MJ'sBlkBII]

Excellent. Thanks for the quick response.