The design of Gamia Metal was made holding in consideration the installation problems; the results is a spiral stair of different diameters, with railings always according to code and with rise adjustement`s system which assures a climb of every height in any project. Thanks to the above system and to pratical instructions for the assembly, the installation is a snap. This iron spiral staircase is available in a reliable kit version that has been tried and tested all over the world for many years now. It is absolutely the simplest and most cost effective solution and it is always easy to install and can adapt to any kind of setting. The distinctive feature of Gamia Metal is surely the design of railings. Vertical spindles connected with the flexuous handrail assure an absolute structural rigidity. Characteristics: