The Telescoping Ladder extends and locks by the foot with easy no pinch closure system. Opens and closes in seconds. Folds to a very portable size of 34" x 19" x 4" thick Very strong locking clips 300 lb working load rating Extends to 138" tall x 14" wide. (11.5" step height) Extends in 1 foot increments. Strong aluminum construction yet lightweight (25 pounds) Integrated carrying handle heavy duty closure strap