Modern swivel disc chair with trendy mesh look / Infinitely variable seat height adjustment with top lift (LGA tested) / Height-adjustable high backrest with breathable mesh cover via ratchet mechanism / Comfortable intervertebral disc seat with comfortable knee roll / Point-synchronised 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 and meets all safety requirements./ 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 fulfils all safety-relevant requirements in this context