Ignition 2.0 Vinyl Upholstered Mid-Back Task Chair with Fixed Arms, 17" to 22" Seat Height, Black Seat/Back, Black BaseChoose one of four synchro tilt control types for a natural recline. Upholstered back has a welcoming appearance while providing cushioned comfort with excellent support. Tilt tension controls the rate and ease of recline. Upright position tilt lock makes it easy to achieve the proper, task specific posture. 360 degree swivel provides freedom of movement in any direction. Pneumatic seat height adjustment moves the seat up and down to adapt to various