Wheels and Gliders

A:  Hard casters

B: Soft casters 

C: Slide feet 

X: Preferably, to avoid 

XX : Possible 

XXX: Advised

 

Based on the above information, it seems logical to choose soft wheels in common cases , the disadvantage of soft casters is that they run heavier than hard wheels.

The above information is not legally binding. For a final opinion, we recommend to contact the supplier of the surface.