300 is a collection of ergonomic office chairs suitable for people who spend many hours at their desks. The mechanism of the chair is studied to follow the users’ movements, helping them to maintain the best sitting posture. The materials used in the series 300 guarantee long life and easy maintenance. The range includes:- swivel office chair with five-spoke base and adjustable T-shaped armrests,- swivel office chair with five-spoke base and fixed height armrests,- visitor’s chair either with four legs or sled base with frame in stove-enamelled steel. Manufacturing details: Swivel chair internal frame: seat and backrest in reinforced polypropylene with steel attachment points. Visitor’s chair internal frame: seat and backrest in multiple layer beech and poplar plywood with steel attachment points.Upholstery in self-extinguishing expanded polyurethane. Armrests in black injection moulded polyurethane with three attachment points. Movement: “Synchromet” tilt mechanism, five anti-shock positions, and inclination regulation of chair seat with a tilt of 9° and of backrest inclination with a tilt of 21°. Backrest height adjustment. Permanent contact: Backrest height and depth adjustment. Regulation of backrest tilt from 90° to 120°.