Monoprice Workstream Heavy-Duty Single-Monitor Full-Motion Adjustable Gas-Spring Desk Mount Arm for 32~49in $55 FREE SHIPPING Monoprice has *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…