High back 3lever operator chairs Ergonomic posture curved back & seat pad with lumbar support Waterfall seat front helps alleviate pressure on the thighs when seated Gas seat height adjustment Back tilt adjustment Back height adjustment Independent seat tilt Strong nylon 5 star base with twin wheel hooded castors Available without arms or a choice of fixed or adjustable arm rests Available in 4 colours from stock 25 stone 154kg tested gas lift 1 year manufacturers guarantee Delivered flat packed for easy self assembly