These storage racks are great for on-edge storing of plates, panels, building and sheet materials including sheet metal, aluminum sheets and drywall. Sheet storage racks hold sheet material up to 6W x 12L to provide high visibility and easy retrieval using minimal floor space. These storage racks are made with 10 gauge steel with structural channels that provide 9-1/2W bays for storage. 6500 lb. capacity per bay. Overall 84W x 31H. Gray enamel finish. Easy assembly.