This Ceiling Mounted Shelving Unit from Heavy Duty Pro adds storage without taking up floor space. The shelving unit is made with heavy-duty industrial construction to make it stronger and long-lasting. This garage and workspace organization package includes four supports made with a powder-coated steel frame and galvanized rods. You supply the 3/4" plywood decking (not included) to complete the shelf. All hardware is included in the package. The shelves are available in 4' x 4' or 4' x 8' sizes and are adjustable in height from 17" to 30" shelf to ceiling. These shelves are fast and easy to install, and can be easily mounted parallel or perpendicular to the ceiling joist. The shelves have a large storage capacity and can handle up to 300 pounds. Manufactured in North America. Ships via UPS/FedEx Ground.