Safco Products 3501BL Serenity Big and Tall Leather Mid Back Chair, Black Serenity big and tall mid-back executive swivel task chair Recycled leather upholstered seat and back Integrated padded loop arms Features pneumatic seat height adjustment 19 1/2" to 22 1/2", 360 degree swivel, tilt adjust with tilt tension and tilt lock, back height adjustment Heavy duty five star steel base with 2" dual wheel carpet casters