OL Balance Task Chair High quality black mesh backrest – ergonomically supports your back • Simple levers for height, tension and tilt control to personalise your comfort • High resistance molded seat foam with tidy under seat finish – upholstered in Breathe black fabric • Stylish black nylon star base • Heavy duty 60mm unhooded castors • Suitable for task, conference and boardroom seating • Seat Height 430-520 mm • Seat Width 505 mm • Seat Depth 510 mm • Overall Height 880-975 mm • 10 year warranty • 140kg weight rating