Swivel work chairs, depending on the version, can be loaded up to 150 kg or 170 kg | Models with anti-shock back function | Permanent contact models | Modern steel star base made of round steel | Series in PU with non-slip seat and back support | Design backrest with lateral support possible | Seat and back tilt adjustment | Available in high and low versions | Different versions of climbing aids possible | standard with gas spring | Models with castors or gliders