OT3159 Features: * Managers chair * Black back * Thick padded mesh fabric seat * Pneumatic seat height adjustment * Oversized dual wheel carpet casters * Breathable air grid back with built in lumbar support * Multi function control with seat slider and adjustable tilt tension * Gunmetal coated padded flip arms with PU pads Color/Finish: * Heavy duty angled nylon base finish Dimensions: * Arms to floor height: 27.75" * Thickness: 4" * Seat dimensions: 20.5" W 19" D * Back dimensions: 20.75" H x 19" W * Overall dimensions: 43.5" H x 28" W x 24.75" D Collection: * Professional collection Warranty: * Manufacturer provides lifetime limited warranty