Chair available in version with low and high backrest, in two different dimensions, made of round bar legs in steel Ø16 mm joined together by a shaped 4 mm thick steel plate ring, laser cut in a single piece, welded to a 30x4 mm drawn and rolled steel plate, serving as a seat panel; seat panel in poplar plywood with spring system with cross-woven elastic straps made of coated rubber, with polyurethane foam padding, covered with acrylic fibers. Backrest band in 1,5 mm thick rolled steel sheet, with polyurethane foam padding integrated with the front legs through milling and secured with custom-designed brass screws. Finish of the metal parts, except for the matte satin brass screws, with epoxy polyester powder coating in Gunmetal grey color. Non-removable fabric or leather upholstery. Floor support provided by plastic tips. Seat depth: Chair with low backrest 46 cm;