The Executive Desk Chair works well in the professional or home office! Every possible comfort mechanism has been included in this ergonomic chair!Have a seat! This comfortable, functional Executive Desk Chair is upholstered with ultra soft, durable fabric, and features a 3 paddle multi-function tilting mechanism -- allowing the seat and back to lock in any position throughout the tilt range. A powerful pneumatic gas lift allows for adjustable seat heights - 18 to 22 inches - soft polyurethane pad armrests and tilt tension are fully adjustable as well. With a ratchet height adjustment on back cushion, and its deep, rich Black color, this Chair is as good looking as it is adjustable.