Safco Products 3470BL Serenity High Back Executive Chair, Black Serenity high-back executive swivel task chair Recycled leather upholstered seat and back with integrated loop arms Features pneumatic seat height adjustment 17" to 21", 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 Optional Adjustable T-Pad arms Model 3399BL available, sold separately