VEVOR Folding Commercial Prep Table, 48 x 24 Inch Commercial Worktable Workstation with Undershelf, Heavy-duty Stainless Steel Folding Table with 300 lbs Load, for Home Kitchen Restaurant Garage

It requires fixings that can hold the caster threads. The diameter of the round legs of the folding workbench is 38mm. One end needs to be fixed to the round leg with a diameter of 38mm, and the other end needs to be fixed to the thread of the caster. Please refer to this.

Yes

Sure! It is made from stainless steel, so it should not rust, but in may corrode or discolor some. I use mine outdoors for cooking prep on a patio near the grill, but take inside for storage. Everything last longer if you can reduce exposure to sun and weather.

I don't know. Maybe the on-line description would be better.

Yes they do

Yes,you can.