fmProducts - Copy And Paste Product Options
First you have to copy selected product option and go to the class you need. When you're pasting a option, you're creating a new one.
So, you can copy the selected option or all options in the class to the Clipboard and Paste it at any other product options page.
In case you have multiple stores you can Paste this options for any product at your other store (after you change the connection in Tools -> Quick connection switch).