This telescopic safety railing mounts to both 24" x 36" (Model WB713151) and 30" x 36" (Model WB713150) roof hatches (sold separately). It allows for easy mobility while providing a secure grip for fall prevention and personnel safety. The swing gate is equipped with a magnet to ensure the gate fully closes within close proximity to the vertical post. Constructed with galvanized steel for heavy duty strength and durability for years of reliable service. The yellow powder coat finish offers high unit visibility while preventing weather related rust, oxidation, and corrosion. Meets OSHA 1910.28 requirement for safe egress and ingress through rooftop hatch openings and OSHA 1910.29 fall protection system requirements. 1 Year Limited Warranty.