For Mounting of Non-Standard Equipment Powder Coated Steel 55 lb Load Capacity 11.8″ Depth This 2 RU 19″ Rack Tray with Steel Clamps from Adam Hall fits into a 19″ wide rack, providing a storage shelf. It is made from powder-coated steel for durability and corrosion resistance, and it features a 55 lb load capacity, so this tray can support items from small to large. The included steel clamps helps you attach non-standard equipment to the tray.