Monoprice Dual Monitor Desk Mount Bracket (max 18 lbs per arm, 15~22 inch) - Black Fits monitors with VESA 75x75 and 100x100 mounting patterns Tilts +/- 15 degrees Rotates 360 degrees allowing for easy portrait or landscape orientation Jointed 22.8" extension arm Height adjustable to about 11.8" Clamps to surfaces up to 4.5" thick Alternate grommet mounting option Supports up to 17 lbs.