Efomao Office Chair, Large High Back Chair, PU Leather Office Chair, Computer Chair, Executive Chair, Swivel Chair with Leg Rest and Lumbar Support, Light Green Office ChairAdjustable Office Chair This executive office chair offers a 360 rotatable so you can move freely. It features a height adjustable mechanism, a back angle and a tilt swivel system, so you can swing the chair back and forth at any angle up to 135. The swivel chair with leg rest comes with a tilt tension knob that allows you to adjust the tension according to your personal preference. Experience the comfort and flexibility with this adjustable office