This is one of GPL's most popular items, with homeowners, RV enthusiasts and the trades. Its light weight, folds to just 3 1/2 inches, by 4 1/2 inches by 63 inches long. The product is made of light weight aluminum with steel parts and replaceable, rubberized anti-skid feet. The product is corrosion resistant, strong and tested to be OSHA compliant for a Type II, 225lb., commercial rating. This is a double sided ladder so you can go up either side. If you're short on space or just don't like to see a ladder hanging around this is the product for you. It allows the ladder to be stored out of site. It also fits in the 4 1/2 inch by 5 inch standard decorative fence post sold at most hardware stores and lumber yards. This allows mounting on truck lumber racks, inside service vans and also RV's. If you're a typical homeowner that uses a ladder only once or twice a week, this is the perfect ladder for you. It's easy to carry around minimizing the potential to bump or scratch furniture and walls. If you use the ladder for work and have to walk to job sites, you can put a shoulder strap on it (weighs just 20 lbs) and you can still carry all your tools and the ladder in one trip. In New York you will often see folks using the subway with our ladders, image carrying a conventional ladder on the subway!