An option if you want something ready made for the task.
http://speakerfeet.com/LP_Caster.html
I've used these for a friends system. Cut two bamboo cutting boards to size, attached to dolly with Grab-It construction adhesive for a solid top surface, placed his Aerial 10t on them.
https://www.amazon.com/JzNova-Heavy-Metal-Wheels-Square/dp/B083D2JRNN/ref=sr_1_2_sspa?crid=2VI3V52T0...=
http://speakerfeet.com/LP_Caster.html
I've used these for a friends system. Cut two bamboo cutting boards to size, attached to dolly with Grab-It construction adhesive for a solid top surface, placed his Aerial 10t on them.
https://www.amazon.com/JzNova-Heavy-Metal-Wheels-Square/dp/B083D2JRNN/ref=sr_1_2_sspa?crid=2VI3V52T0...=