The WERNER 24 ft. Fiberglass D-Rung Extension Ladder boasts an impressive duty rating of 375 lbs. Designed for safety and convenience, the ladder features external guides at the top of the base section that help secure the interlocking side rails, while pre-pierced holes at the top of the fly section allow for easy field installation of accessories. Its TRACTION-TRED D-rungs are slip resistant, and the durable rail shield and shoe bracket protect the rail from damage. The exclusive ALFLO rung joint also means twist-proof performance every time, ensuring stability on a wide range of jobs.