EZM Basic Dual Monitor Mount Stand Desk Clamp with Grommet Mount Option holds monitors up to 27" widescreen Uses standard Vesa mount (002-0007) Holds most wide screen monitors including curved widescreens up to (2) 27 inch with VESA 75 75mm or 100 100 mm compatible. Quick Release monitor brackets for easy installation The Diameter of the Pole is 1 3/8" Mounting heads tilt (Up/Down) 80, swivel (In/Out) 180 and rotate (clockwise/counterclockwise) 360 The height of the Arm can be easily Adjusted along the Pole. Each Monitor height can be individually fine tuned With a versatile heavy-duty steel desktop C-Clamp mounting up to 3.90" (10 cm) thickness horizontal surfaces with an option to bolt through the desk, easy to install in minutes