The technical and aesthetic contents of K80 series satisfy the best relationship between functionality and aesthetics. Its design is simple and intuitive, its primary objective is the maximum architectural flexibility, can always be topical and to adapt to all styles. Discrete lines and planar surfaces allow the use both for restoration and for a newly built. The K80 series can be realized with open fixed slats, with overlap and planar adjustable slats. In K80 series are also available armor types with open fixed slats and adjustable slats.