Product information: Material: Carbon Steel, Stainless Steel, Aluminum Surface Finish:Hot Dipped Galvanized, Pre Galvanized, Powder Coated Specifications: 1.Standard widths of 6, 12, 18, 24, 30, 36 inches 2.Standard depths of 3, 4, 5, and 6 inches 3.Standard lengths of 10, 12, 20 and 24 feet Cable tray Dimensions: Cable Tray weight dimensions are all internal.