Extension ladder. 28 ft. Made of aluminum. For professonal use. 225-lb. maximum capacity. Reinforced 3-in. aluminum side rails. Serrated D-shaped rungs for comfort and safety. 15-in. wide extension section with 17-in. wide base section. Self-leveling, swivel feet have rubber padding to prevent slip page. Gravity-fed locks ensure safe set-up every time. Protective non-marring and impact-resistant end caps. Grade 2. CSA certified.