Boss Executive Box Arm Chair with Mahogany Base Mid-Back Box Arm Chair Upholstered With Our Ultra Soft And Durable Caressoft Upholstery Upright Locking Position Pneumatic Gas Lift Seat Height Adjustment and Adjustable Tilt Tension Control Mahogany Wood Finish On 27 Base with Hooded Double Wheel Casters Mid-Back Box Arm Chair Upholstered With Our Ultra Soft and Durable Caressoft Upholstery Upright Locking Position Pneumatic Gas Lift Seat Height Adjustment and Adjustable Tilt Tension Control Mahogany Wood Finish On 27" Base with Hooded Double Wheel Casters