Lorelo Telescoping Extension Ladder, Stainless Steel Folding Telescopic Ladder with Locking Mechanism, Multi-Purpose Collapsible Ladder for Home or RV Outdoor Work, Heavy Duty 330 lbs Load

Triangle Stability, Locking Mechanism, Extra Wide Pedal Triangle Stability, Locking Mechanism, Extra Wide Pedal Triangle Stability, Locking Mechanism, Extra Wide Pedal