Modern hinged-disc swivel chair in trendy mesh look. Continuously variable seat height adjustment with Toplift (LGA tested). High backrest with breathable mesh cover, height adjustable via ratchet mechanism. Comfortable intervertebral disc seat with comfortable knee roll. Includes seat depth and seat tilt adjustment. Point synchronous mechanism, spring force individually adjustable to body weight. Black polyamide base, equipped with load-dependent braked safety double castors for carpeted floors. This model bears the GS mark of the LGA Nuremberg and fulfills all safety-relevant requirements in this context.