Iron Horse rivet shelving is designed for heavy-duty use. The boltless design allows for quick & easy assembly. The powder coated finish is rust resistant & durable. The Iron Horse shelving unit can be assembled either horizontally or vertically, depending on your storage needs. Each unit includes black laminate decking. Steel four-shelf unit holds a total capacity of 3,200 lb evenly distributed. Assemble with a rubber mallet (not included) in less than 30 minutes. Shelving is made of heavy-duty riveted steel construction. Shelf Count: 4; Shelf Depth: 17.32"; Shelf Thickness: 0.35"; Shelf Capacity (Weight): 800 lbs.