Shelves: Type - Vented Centered Rack Shelf; Mounting - Center; Width - 19.00 in.; Height - 3.50 in.; Depth - 19.50 in.; Material - Steel; Color - Black; Additional Information - Load Rating: 200 lbs, 16 Gauge Steel, Uses 2U Rack Space, Two Post, Dual Modem Shelves; Manufacturer Series - DNDM