Low-back task chair with center tilt is designed to provide comfortable support for those who spend more than half the day at their desk. As part of the HON Ignition Seating Series, this chair fits body types from the 5th to the 95th percentile & is perfect behind a desk or around a conference table. Deeply sculpted lumbar support cradles the lower back. Functions include pneumatic seat-height adjustment from 17" to 21-1/2", ratchet back-height adjustment, 360-degree swivel, tilt, tilt tension & tilt lock. Adjustable back height accommodates people of all heights. Arms adjust in height & width. Design also features Tectonic fabric upholstery in black, a 26" diameter five-star base made of plastic, & dual-wheeled casters. Weight capacity is 300 lb. Low-back chair meets or exceeds applicable ANSI / BIFMA standards. High recycled content reduces wood waste & offers strength & sustainability.