24-Hour Task Chairs offer a design ideal for the employee who works multishifts. Molded back has pronounced lumbar support. Quick-release back height control can be adjusted easily by worker when seated. Deep contours for “built-in” comfort. Extra durable foam padding in seat for years of use. Other features include pneumatic seat-height, back height, 360-degree swivel, dual-clutch posture control and height-adjustable and width-adjustable arms. Available in black frame only. Hon Swivel Arms Task Chair, 27-3 8"wx34"dx42"h, Gray