Part of the Mayline Comfort Series, this contoured support chair features a contoured back and tractor-style seat to help eliminate fatigue. Ratchet back adjusts 2-1/2" in height for optimal lumbar location. Multifunction control includes three levers to modify angle of back relative to the seat, control tilt and forward tilt for keyboard-intensive activities. Tilt is free floating or locking within a fixed range. T-shaped arms adjust in height and feature comfortable, impact-resistant, urethane armrests. Swivel fabric-upholstered seat with steel-reinforced seat plate pneumatically adjusts in height. Five-star base is equipped with dual hooded casters. Weight capacity is 250 lb.