LIGHTER, STRONGER, EASIER the newly designed Gorilla Ladders 18 ft. Reach MPXA Aluminum Multi-Position ladder combines versatility, safety and strength. With 20 telescoping adjustable heights, this ladder can be used as an Extension Ladder, Double-Sided Twin Stepladder, 90 degree Wall Ladder, Stairway Stepladder and as 2 Scaffold Bases with the purchase of the MPX Rail Brackets. Easily adjust the height from all sides with 1 hand with the user-friendly speed locks. The extra-large, heavy-duty MPXA hinges give you improved strength with less flex and sway for safer climbing. The innovative rail design makes the MPXA ladder lighter weight yet stronger than comparable models. This Gorilla Ladders 18 ft. Reach MPXA Multi-Position Ladder is the next generation of safe, strong, innovative and versatile climbing products that is perfect for all your project needs.