Product details:

When you need industrial-strength, only one ladder will do鈥攖he Type 1AA. Its government rated to 375 pounds, so you know it can stand up to even the most demanding applications. The Type 1AA gives you the advantages of traditional A-frame ladders, extension ladders, stepladders and even scaffolding鈥攁ll in one convenient package. The is designed to be the safest ladder on the planet and can be used safely on stairs, ramps, curbs, docks or other uneven surfaces. The is made of heavy-wall, 6005-T5 aluminum, the very same material used in aerospace construction. You鈥檙e getting 24 different ladders combined to make the world鈥檚 most versatile ladder system. The Model 22 has a step ladder height of 5 ft. & adjusts up to 9 ft. in 1 ft. increments. The extension height is 11 ft. and adjusts up to 19 ft. in 1 ft. increments. This ladder also stores in 5 ft. 7 in. of space.