RD3000: 1957-1960 Ford Truck Defroster Ducts (Pair)Smooth ABS defroster ducts for 19571960 Ford trucks provide a clean, reliable way to direct warm air to the windshield for better visibility and safer driving. Features and Benefits Accurate fit designed for 1957, 1958, 1959, and 1960 Ford truck models Durable ABS construction molded from rigid ABS plastic for longlasting performance Improved defrost performance directs warm air toward the windshield for better visibility Fogreduction design helps