All-welded construction features flush 12 gauge steel shelves with extra reinforcement and 2' x 2' corner angles for increased capacity. Top shelf is 36' high. Clearance between shelves is 23' for 2-shelf models, and 10-1/2' for 3-shelf models. More maneuverable with heavy-duty 8' phenolic kingpinless casters. Durable powder coated finish.