• Extension ladder • 250 lb. duty rating • 3¼ inch non-conductive fiberglass side rails with non-irritating fabric outer mat assures a smooth trouble-free surface even after weathering • Direct rung to rail connections with exclusive patented Alflo rung joints • Traction-Tred 1½ inch deeply serrated aluminum flat steps • Non-marring, yellow molded end caps and rail closures • External guides on top of base section and internal guides on bottom of fly section securely interlock rails • large, smoothly operating extruded gravity/spring locks with spring activated gray super tough nylon flipper • Polyethylene rung wear sleeves • Heavy duty aluminum extruded pulley with 5/16 inch blue and yellow polypropylene rope • Manufacturer: Werner • Model: D6024-2