Rear of rack is positioned slightly higher than the front for sorting efficiency and accuracy. While manually processing bundles, handlers have a better view of the bag opening and target to pitch mail. Slide full bags out from under rack- missing front bar from three sided design allows for easy removal. These racks feature one bag style, 1" powder coated cross bars, 1½" steel stock frame, and grey baked enamel finish. Ships USPS. Hooks, casters, bags, and rubber feet are also available, sold separately.