Medium back tilter chair featuring Infinite position tilt lock, tilt tension adjustment, center tilt action, Soft Descent pneumatic seat height adjustment and contoured seat shape with waterfall edge. Cast aluminum, mirror finish arms with black soft and durable, self-skinned urethane (SSU) armcaps that are warm to the touch. Five prong, polished cast aluminum base with dual wheel carpet casters. Rated for users up to 300 lb. (based on an 8-hour day, 40-hour week). Tested to meet or exceed ANSI / BIFMA standards and is compliant with the emissions guidelines set by the GREENGUARD Environmental Institute. Upholstered in Allante FRee Ink Black. Overall Dimensions: 25"W x 25"D x 37"H. Backed by Global's Limited Lifetime Warranty.