Pre-owned Basyx Black Mesh Task Chair. Black Mesh back with a Charcoal fabric Seat, Black 5 star base and frame. Functions: Pneumatic Height Adjustable Seat / Height Adjustable Arms / Tilt Lock / Tension Control / Lumbar Support. DImensions: 25" W x 17" - 21 1/2" Seat height, 37" - 42 1/4" Overall height.