[Arefin Bari]

Originally Posted by leehyungjin4u

where do we buy ball castors/casters??? approved by FRC????

Go to www.mcmaster.com and type in "casters;" it will pop up with bunch of results. As long as you are not using something that tears up the carpet, FRC will approve it. They are also COTS item so make sure to include that in your BOM.