This attractively styled chair features a clean appearance with flared arms. High back office chairs have backs extending to the upper back for greater support. Turn the tilt tension adjustment knob to increase or decrease the amount of force needed to rock or recline. Lock the seat in place with the tilt lock mechanism. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. The chrome base adds a stylish look to complement a contemporary office space.