Rugged, all-welded construction with 3 load levels. Structural channel uprights with 1-1/2 " square tube arms have 4-1/2 " high stops on ends for load retention. 12 gauge steel lower deck stores and transports smaller parts, packages, etc. Platform height 11 ", overall height 58 ". 8 " x 2 " phenolic wheels for ease of movement. Wheel brakes on all four wheels to help prevent unwanted movement. Capacity 3600 lbs. overall, 2000 lbs. per level evenly distributed. Horizontal storage space (each side): Top = 7-1/2 ", Middle = 11 ", Bottom = 15 ". Available with 2 rigid and 2 swivel casters with a floor lock, or 4 swivel casters with wheel brakes.