Task chair with padded mesh seat offers a self-adjusting, DuraGrid Back for increased comfort. Self-adjusting mechanism adjusts tilt tension by using your body weight as a counterbalance resulting in perfect balance as you recline. Mechanism also features anti-kickback and backrest lock. Functions include pneumatic seat-height adjustment from 19-1/2" x 24", seat-glide mechanism, dual-action synchro tilt and asynchronous control. Weight capacity is 300 lb. Heavy-duty base has a platinum finish, black endcaps and oversized, dual-wheel carpet casters. Chair also offers height-adjustable arms with PU pads and lumbar support.