ErGear Dual Monitor Stand Mount, Ultrawide 13-35 Inch Height Adjustable Computer Screen Gas Spring Monitor Arm Desk Mount Full Motion, Each Arm Holds up to 26.4lbs

Strong & Stable Dual Monitor Arm: Two heavy-duty monitor arms with premium gas springs support 13" to 35" monitors weighing up to 26.5 lbs / 12kg each.
Better Position: Higher & longer monitor arm reach gives you more comfort & freedom, whether sitting or standing. Raise your screens 21" above the desk to work standing up. Extend your screens forward 25.6" for closer viewing.
Flexible Dual-Screen Viewing: Two screens can be freely combined to suit your needs. Each arm of this dual monitor stand features +85/-30° tilt, +/-90° swivel, and 360° rotation for amazing adjustability. Two monitors up to 27 each can be vertically stacked (in landscape orientation).
USB Connection & Cable Management: The two USB 3.0 ports built into the base make rapid data transfer at up to 5Gbps super-convenient. Cable management keeps your setup and space tidy.
Alternative Mounting Methods: A choice of simple C-clamp mounting or seamless grommet mounting. Both methods securely fasten the arms to your desk.