https://www.monoprice.com/product?p_id=43448&AID=11051853&PID=4485850&ref=cj&
Monoprice Workstream Heavy Duty Single Monitor Full Motion Adjustable Gas Spring Desk Mount Arm for 32"-49" Monitors on sale for $64.99 - Extra $10 Off $50+ w/ promo code SUMMER10 (apply in cart) = $54.99. Shipping is free.
Monoprice Workstream Heavy Duty Single Monitor Full Motion Adjustable Gas Spring Desk Mount Arm for 32"-49" Monitors on sale for $64.99 - Extra $10 Off $50+ w/ promo code SUMMER10 (apply in cart) = $54.99. Shipping is free.