High back operator chair with PCB Conforms to BS 1335 (2000) Part 2 Padded back with kidney foam shaping ensures good posture is maintained during the day Generously proportioned seat with waterfall front Features gas height adjustment, back height adjustment and back rake adjustment Permanent contact back (PCB) allows you to adjust the tilt of the back rest or leave it free floating Available without arms or with fixed arms or height adjustable arms Black nylon base with easy glide castors Choice of colour 2 year warranty