The AC19 extension ladder covers help prevent damage to support surfaces. Designed to snap over extension ladder rail end caps. Resists paints, stains, thinners and solvents. Can be used on all single and extension fiberglass and aluminum ladders (except 500, D500, D7136-2 and D7140-2). Helps prevent damage to support surfacesDesigned to snap over extension ladder rail end capsResists paints, stains, thinners and solventsFor use on 3" deep side railsFits all single and extension fiberglass and aluminum ladders except series 500 and 7500