Body Weight Tension Adjustments Adjustable seat height with superior heavy duty gas lift Ratchet height adjustable back/lumbar Independently adjustable seat tile - free floating or lockable Independently adjustable back tilt - free floating or lockable Dedicated forward seat tilt & Lock adjustment Depth adjustable seat slide Height & Width Adjustable Arms Indicative daily sitting hours 16+ (with 2 year manufacturers guarantee) 8+ (with 10 year manufacturers guarantee)