OT QOMOTOP Ladder, 17 FT Max Telescoping Ladder with Wheels, 300 lbs Load Capacity Step Ladder, 5 Models to Switch, Suitable for Various Scenes Indoor and OutdoorAluminium Multi Use and Extension 5 different models to meet different scenes. It can be used as A frame ladder, stairway step ladder, extension ladder and wall ladder, maximum length can reach 17ft Stable and Safety This extension ladder features shatter proof aluminum j locks, non slip pedal and slip resistant feet and the ends of the ladder are flared for firm support Lighter and Portable Made of the aircraft grade aluminum and innovative rail