Cotytech Triple Monitor Desk Mount Spring Arm Grommet Base, Silver (DM-GST13-G)

Fits up to three 24-Inch monitors straight in a row or three 27-Inch monitors if one positioned on top of two and with longer pole option
Pole length: 7.87-Inch (200mm), Longer pole option available, Height Adjustment Range: 5.1-Inch at 7.87-Inch pole (16.95-Inch at 19.7-Inch pole), 11-Inch, 12.6-Inch at monitor, Maximum productivity and supreme ergonomic comfort
Weight Capacity: Supports 8.4, 17.8lbs (3.8, 8.1kgs) for each monitor, Tilt: +90 Degree / -45 Degree, Rotation: 360 Degree, Swivel: Max 180 Degree, Mounting Pattern: VESA compliant: 75x75 and 100x100, Maximum extension: 22-Inch (559mm)
Spring arm design makes extension, retraction and height adjustments dynamically and easily, Maximum adjustment rendered by tilting, swiveling, rotation and dynamic height adjustment, Swift and easy movements and adjustments