Medium back synchro-tilter chair featuring upright position tilt lock, tilt tension adjustment and pneumatic seat height adjustment. Contoured seat shape and waterfall edge with height adjustable T-arms with self-skinned urethane armcaps that slide forward & backward. Black 5-prong, injection molded, fiberglass reinforced nylon base with dual wheel carpet casters. Rated for users up to 300 lb. (based on an 8-hour day, 40-hour week). Made in Canada. Tested to meet or exceed ANSI / BIFMA standards and is compliant with the emissions guidelines set by the GREENGUARD Environmental Institute. Upholstered in Black LuxPlus Faux Leather. Overall Dimensions: 24.5"W x 23.5"D x 40.75"H. Backed by Global's Limited Lifetime Warranty.