9 FT Rail Mill Guide System 3 Crossbar Kits Work with Chainsaw Mill…

Does this come with the hardware to connect additioal rail sections?

How can I get connectors to put my two 9' sections together?

Ordered two sets of rails, not here yet. i want to order ptfe tape to apply to the tops of the rails. what is the width of an individual rail?

Will this work with a G777 mill? If so, what would be the smallest diameter log this rail could Reasonably be used with?