The executive and conference armchair and the visitor chair frame is composed by two different pieces: there is a seat and a back steel tubular frame embedded in a cold formed polyurethane the executive armchair has also a polyurethane headrest cushion. The arms are in curved tubular steel completely covered by saddle leather. The armchairs have a 5 star swivel base on casters in polished aluminium, and are adjustable in height through a gas-piston and equipped by a tilt mechanism. The visitor chair legs are in steel black epoxy powder varnished. The bookcase frame is in black melamine coated panel completely covered by saddle leather (for the two faced bookcase) or covered only on the fronts and on the sides (for the one faced bookcase).The shelves are in particleboard panels veneered in Italian walnut, mahogany, cherry wood, black walnut or maple.