Dual 1732 Stacked Monitor Arm Desk Mount Gas Spring Dual Monitor Mount Full Motion Height Swivel Tilt Rotation Adjustable Monitor Arm Weight Max 19.8lbs Each VESA 75/100mm CClamp/Grommet Cable Management Detachable Fits Two Flat/Curved Monitor for Landscape mode / Portrait mode / Loftyfriendly mode / Mix mode / Back to back mode