Quantum Storage 4-Shelf Wire Shelving Unit, 300 lb. Load Capacity per Shelf, 72" H x 48" W x 24" D, Chrome Finish Four-tier standing wire shelving unit has four shelves and is made of chrome-plated carbon steel for strength, durability, and to resist dirt buildup and corrosion Open wire design offers visibility of contents, permits air circulation in the work environment, and helps resist dust build-up Shelves adjust in 1" increments, and are reinforced with wire trusses and struts for strength Posts are grooved at 1" intervals to help guide installation of the shelves at desired heights Has a 300 lb. per shelf capacity