Safco Products 6247BL Boltless Steel and Particleboard Shelving 36"W x 24"D x 72"H with 5 Shelves, Black Boltless steel shelving system 36W x 24"D, assembles without tools Five particle board shelves adjust in 1" increments Shelf capacity is 850 lbs. per shelf, evenly distributed Assemble as a vertical five-shelf, 72" high storage unit or horizontal 36" high workbench Steel construction with durable powder coat finish