Extra-wide, heavy-duty 16-gauge steel shelving provides maximum weight carrying capacity. Unique double-riveted beams lock into corner post to form a structurally secure joint. Shelves rest on recessed ledge to provide a flush fit and larger shelf opening. Includes three shelves with particleboard that adjust in 1-1/2" increments. Assembles quickly and easily with just a tap from a hammer. Two-piece post design allows assembly as a single 72" high unit or as two 36" high bench units. Rust and corrosion-resistant with a baked-on enamel finish. Assembly required. (Cannot ship UPS.)