Upgrade your office seating with this mid-back upholstered swivel task office chair. A mid-back office chair offers support to the mid-to-upper back region. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The tilt lock mechanism rocks/tilts the chair and locks in an upright position while the tilt tension adjustment knob adjusts the chair's backward tilt resistance. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. This computer chair is perfect for the office or in the home. From behind the desk to the meeting room this chair can provide a seamless addition to your work space.