Safco Products 6300BL Poise Executive High Back Chair, Black Poise high-back executive swivel task chair Upholstered four inch thick padded seat and back Integrated nylon loop arms Pneumatic seat height adjustment 17" to 22"H, 360 degree swivel, ergo knob adjusts back height, tilt adjustment, tilt lock Heavy duty five star steel base with 2" dual wheel hooded carpet casters