The Little Giant 10121 Model 21 Skyscraper 21-Foot Ladder is perfect for large-scale or industrial applications such as churches, auditoriums, and gymnasiums. It is ideal for working over benches, stadium seating as well as sloped floors and stairs. Because its portable, the SkyScraper can be used in places where a motorized lift or bulky scaffolding simply cant go.The 10121 has a height of 11-Feet and can extend up to 21-Feet tall in 1-Foot increments. The height of each side can be adjusted independently, allowing it to be used safely on stairs, ramps, curbs, docks or other uneven surfaces. The SkyScraper is made of heavy-wall, 6005-T5 aluminum the very same material used in aerospace construction, making it ultra-strong while remaining portable. Features: * Government rated to hold up to 300 pounds * Adjustable legs for stable use on stairs, curbs, ramps, and more * OSHA ANSI A14.2 compliable * Heavy-wall aircraft-grade aluminum construction What"s In The Box: * Little Giant 10121 Model 21 Skyscraper 21-Foot Ladder