Nautilus Designs Nexus Designer Medium Back Mesh Operator Office Chair Sculptured Lumbar Spine Support and Adjustable Arms Blue - BCM/K512/BL/ADT DDThis deluxe high mesh back task operator chair offers both stunning designer aesthetics and features which give that extra comforting support. Back height and lockable back tilt adjustment is available to its sculptured lumbar and spine supporting mesh back with outer black shell. The deep cushioned seat has a slight waterfall front and a chrome gaslift provides easy seat height adjustment. The piece is finished with stylish height adjustable arms and