VIVO Dual Monitor Stand Up Desk Mount Extra Tall 39" Pole / Fully Adjustable Stand for up to 27" Screens (STAND-V012) COMPATIBILITY  Extra tall 39.5" dual monitor mount fitting two screens 13 to 27 in size and 22 lbs in weight each with 75x75mm or 100x100mm backside mounting holes. Mounts to desk (up to 4" thick) with heavy duty C-clamp or optional grommet mount FULL ARTICULATION  Adjustable arm offers 15 tilt, 360 swivel, 360 rotation, and height adjustment along the center pole. Monitor can be placed in portrait or landscape shapes INTEGRATED CABLE MANAGEMENT  Keep your power and AV cables clean and organized with detachable cable clips on the arms and center pole EASY INSTALLATION  Mounting your monitors is a simple process with detachable VESA bracket plates. We provide a step-by-step manual and the necessary tools & hardware for assembly WEVE GOT YOU COVERED - Sturdy steel design is backed with a 3 YEAR MANUFACTURER WARRANTY and friendly tech support to help with any questions or concerns