ron Horse rivet shelving is designed for heavy-duty use. The boltless design allows for quick and easy assembly. The powder coated finish is rust resistant and durable. The Iron Horse shelving unit can be assembled either horizontally or vertically, depending on your storage needs. Each unit includes rugged particle board shelves. Steel five-shelf unit holds a total capacity of 3,800 lb. evenly distributed. Assemble with a rubber mallet in less than 30 minutes. Shelving is made of heavy-duty riveted steel construction.