Telescoping Ladder Quality: Telescoping ladder is crafted from premium aluminum. The surface of aluminum is oxidized, which can prolong the life of folding ladder. And its plastic parts is reinforced with nylon fibre to improves load capacity, stability, aging resistance and extends service life. Our telescopic ladders have a maximum load of 330lb/150kg. Intelligent Locking Mechanism: The independent intelligent locking mechanism allows the aluminum 20.3FT telescoping ladder to be locked at every step. Using the inward sliding latch, you can gradually adjust the stepping in units of one foot to easily reach and retract any desired height.(Pls take care your fingers when retract the ladder. Dont put your thumb between the ladder.) Portable and Space Saving: This folding ladder is lightweight and easy to carry. Such folding ladders are convenient and space-saving to store. Our retractable ladder can be stored under the bed, behind the cabinet or behind the door and so on. Safe and