Werner 24 ft. Aluminum Extension Ladder is a heavy-duty industrial ladder designed for durability and safety. It features deeply serrated, 1-3/4 inch wide flat type rungs that provide secure footing. The ladder is constructed with modified I beam interlocking side rails that are 3 inches wide, ensuring strength and stability. It includes mar-resistant end caps and rail closures to protect surfaces and enhance longevity. The smooth operating pulley system is equipped with a polypropylene rope for easy extension and retraction. Extruded rung locks with spring-activated nylon flippers reliable locking mechanisms. The shoes rotate easily and lock into spur position, allowing the ladder to penetrate grass and dirt for added stability. This ladder is UL listed and labeled, meets OSHA standards, and carries a Type I heavy-duty industrial rating with a 250 lb. load capacity. The 24 ft. model includes the rope and pulley system for convenient use. Model Number: D1324-2