A completely modern and special staircase that doubles the desire of every viewer to step on it. In this type of stairs, which are often executed in such a way that the main box of the structure is buried inside the walls around the staircase space, the bottom of the stairs looks like they have come out of the wall separately and are completely suspended. are In this type of metal stairs, in addition to the quality of the construction, the structural calculations of the stairs are very important.