This 4-section folding ladder is made of high-tension aluminum and is equipped with 3 pairs of safety auto-latching hinge systems. The ladder is built with box-type side rails and extra large serrated rungs and flared legs on both sides. This ladder can be used in various configurations such as a stepladder, straight ladder, scaffold, stand-off ladder etc. Just flip the locking-lever on each hinge and straighten or fold it into the position needed for the task at hand. It can even be used as a platform on uneven surfaces, such as stairs, low walls or ledges. This ladder is approved by TUV according to European standard EN 131.