Little Giant Ladders are designed to be the safest ladder on the planet and can be used safely on stairs, ramps, curbs, docks or other uneven surfaces. With the new patented triple-locking hinge, the Little Giant Ladder is sturdier than ever in the extended position. The Little Giant is made of heavy-wall, 6005-T5 aluminum, the very same material used in aerospace construction. So, its ultra-strong while remaining light and portable. The Little Giant type 1A is government-rated to hold up to 300 Lb. When you buy a Little Giant, youre getting the worlds most versatile ladder system. Plus, the addition of Tip & Glide wheels makes your Little Giant easy to maneuver and store. The Model 26 has a step ladder height of 6 Ft. & adjusts up to 11 Ft. in 1 Ft. increments. The extension height is 13 Ft. & adjusts up to 23 Ft. in 1 Ft. increments. This ladder stores in 6 Ft. 7 In. of space.