Big & Tall Chair features 2 paddle spring tilt mechanism which can be locked in any position throughout the tilt range. Pneumatic gas lift seat height adjustment. 27" brushed metal five star base. 3" double wheel casters. Weight capacity up to 350lbs. Upholstered in microfiber. Black finish. Black frame. 30-1/2"W x 27"D x 43 - 45-1/2"H overall.