Telescopic folding ladder, stepladder, single ladder, extension ladder, and staircase ladder in one, with 4 x 3 rungs. This versatile helper is of professional quality, offering particularly easy and safe handling. It is extendable from rung to rung and foldable by two joints. The telescopic inner ladder is removable, and it has a compact transport size, extendable to almost four times its length. Made from high-quality, robust aluminum construction for maximum stability and safety, it features strong locking bolts made of stainless steel and eightfold special riveting through the complete upright. The solid, ergonomically shaped height adjusters enhance usability.