The xtend climb home series, 3.5' to 15.5', versatile telescoping aluminum ladder, for do-it-yourselfers, opens to 15.5' retracts down to 3.5', 250 lb duty rating, allows you to reach those higher areas in & around your home, compact & easy to use with the strength, safety & durability, extends & locks by the foot so it's only as tall as you need it, features double over molded feet for added durability & traction, once you're done cleaning windows, clearing gutters or painting, just use the safety closure system to collapse the ladder rung by rung for compact storage.