Handlebar diameter

Hello.

Does anyone know the diameter of the repro open handlebars part number 43583000

http://www.sip-scootershop.com/en/products/handlebar+for+vespa+125+vmvn_43583000

 

And the diameter of the clamp on the master cylinder 30060000

 

http://www.sip-scootershop.com/en/products/brake+master+cylinder+grimeca+_30060000

 

Thanks