"Upper Level Hauling, Leaving the Floor Wide Open. Result, a 60% Increase in Hauling Capacity! Hauls Coolers, Sprayers, Fuel Containers, Landscape Materials and More." Installs In Carts and Sleds 26" to 44" Wide [Inside], "Allows Carts To Haul A Quantity Of Ice Fishing Gear. Increases Capacity For Hauling Harvested Big Game and Waterfowl!” Adjusts Forward-Rearward For Centering Load. Rugged Steel Frame With Attractive Powder Coated Finish. Kit Includes Rail Mount and Vertical Cooler Rack.