High-quality Syncron swivel chair in contract quality.with patented SITNESS joint (Body Balance) for 3-dimensional sitting, backrest with integrated lumbar support, height-adjustable via UP-AND-DOWN system, with large moulded seat including comfortable knee roll for a comfortable sitting posture, with armrests "G3", height and width adjustable (height and width adjustable).seat including comfortable knee roll for a comfortable sitting posture, with "G3" armrests, height and width adjustable (via screw connection), with soft pad support, point synchronisation mechanism, spring force individually adjustable to the body weight, multipleadjustable to body weight, can be locked several times / including additional seat depth adjustment, polished aluminium base equipped with load-dependent braked double safety castors for carpeted floorsThis model bears the GS mark of the LGA Nuremberg and fulfils all safety-relevant requirements in this context