"A fabric upholstered high back draughtsman chair with a black base and 14"" gas lift and adjustable foot ring. The seat height ranges from 580mm to 840mm giving a wide range of seating positions depending on your worktop/counter height.The Foam used in this chair is moulded combustion modified foam and meets BS7176 Crib 5 fire retardancy. In conjunction with a fabric or vinyl which also meets Crib 5 fire retardancy, this chair is suitable for use in offices, public places, government departments, educational establishments, hospitals and the home.A 2 lever mechanism controls the seat height and back angle. The back height is also adjustable."