Humanscale Monitor Arm M2The M2 uses an innovativemechanical spring to achieve exceptional performance and durability in alightweight, ultra thin design. Fully compatible with traditional desks and sit stand workstations alike, M2 meets a variety of configuration needs for lighter monitors up to 15 lbs. M2 supports a better working posture, creates more usable desktop space and helps maintain a clutter free environment. It offers quick, simple installation and industry