Ergonomic high back executive operator chair 4 lever asynchronous mechanism seat slide forward ergo tilt seat posture curve backrestback angle and height adjustmentgas lift seat height adjustment150kg rated gas liftaccepts optional adjustable armrestsavailable in blue or black fabricarm height allows the chair to fit under table 69cm highsuggested maximum user weight 120kgmeasurementsback width 470mmback height 570mmseat width 500mmseat depth 470mmseat height 520 640mmplease note arms n