GRAY innovates in using the concept of polysensoriality, characterized by the tactile pleasure of the soft polypropylene, a large range of colors and materials and the comfort offered by its harmonious shapes and generous volumes. Certified EN 1335. Gray offers a new concept of operative seating combining aesthetics and ergonomic. The two colors of plastic shells, light gray and black match a bright gray on the soft parts of its armrests and hand levelers. All swiveling chairs integrate easy up-down adjustment of their back by an automatic system. Cleverly leaf with using instructions (licensed) will show you how to adjust your seat.the range offers a choice of 2 back heights and 2 mechanisms: Synchronized, and upon a request a synchron mechanism with incorporated seat slider. Adjustable armrest in height and width. The range is completed with cantilever and 4 legs visitor and conference chairs and with a technical chair with foot-rest for workshops, counters and laboratories and permanent contact mechanism.