Akro-Mils Wire Shelving units are high quality, durable and rust-resistant. Open wire decks prevent dust accumulation, are easy to clean and improve visibility of items on the shelves. Adjustable shelf heights, mobile options, dividers, and a variety of other options ensure your wire shelving system will meet your exact needs and help to boost productivity and organization.Stationary units hold a maximum of 2,000 lbs.; mobile units with casters have a capacity of 500 lbs.Maximum weight capacity per shelf: 48″ or shorter = 800 lbs.; longer than 48″ = 600 lbs.Deck Wire = 3.3mm Frame Wire = 6.0mm Truss Wire = 4.5mm