High Back Managers Armchair. Classic range if the most popular operator chair types for general office use thatgives you just that little bit extra. This range meets BS7176 medium hazard fire retardancy standards. Tested by FIRA to meet BS EN1335:(2000): Part 2 for strength, safety and stability. Curved back with shaped foam to seat and back to give excellent kidney and luMBar support. Computer or at-desk tasks are part of work, typically 7-8 hours a day. Ideal for secretarial, word processing, clerical, professional and accountancy jobs. Up to 18 stone/114kg. Tilt action movement, used on executive chairs, allows free-floating rocking movement - can be locked in the upright position. User can adjust height of seat to maximise support for legs. Supplied complete with hard-wearing fixed height arms. Seat WxDxH: 530x510x450-570mm. Backrest Height: 700mm. Charcoal.