- Welded steel (Made of 18 (outside) and 22 gauge steel throughout) with - Welded Steel Construction - Made of 18 (outside) and 22 gauge steel shelves - Black semi-gloss, smooth textured powder coat - Internal wire management- 7- 2” diameter holes with rubber safety grommets; Two on the bottom panel; One on each side panel, shelf and work surface. - Four locking 4 inch diameter, non-marring ball bearing swivel casters - Manual spring loaded, height adjustable work surface - Two adjustable height storage shelves - No assembly required