Medium back multi-tilter chair featuring multi-center tilt with infinite position tilt lock, infinite position back and seat angle adjustments, concealed ratchet back height adjustment and pneumatic seat height adjustment. Contoured seat shape and waterfall edge, height adjustable T-arms with self-skinned urethane (SSU) armcaps and 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 Quilt Black fabric. Overall Dimensions: 25.5"W x 24"D x 39"H. Backed by Global's Limited Lifetime Warranty.