Inside width of aluminum channel

Hello Jim,
I have a question for you. what is the inside width of your aluminum channels,and could something like the ACH-01( the four sided hub connector fit inside the channel space. I’m planning on ordering some of these mentioned components for a rover I’m going to build, and I would like to know the specs on the channel.

Thanks
Mike McRae ( aka tinman)

The parts are 7/8" ID. Hope this helps.