***** Best Quality Guranteed. *****SCREEN COMPATIBILITY fits two screens 13 to 27 in size and 22 pounds in weight each with VESA 75x75mm or 100x100mm *****DUAL VERTICAL MOUNTING holds computer screens in a stacked array position for top and bottom browsing and gaming *****FULLY ADJUSTABLE with -45 to +45 degree tilt, -45 to +45 degree swivel, and 360 Degree rotation *****INTEGRATED CABLE MANAGEMENT keeps your power and AV cables clean and organized with detachable cable clips on the center pole *****HEAVY DUTY DESK CLAMP attaches mount to the back of your desk (up to 3.25 thick) via a heavy-duty C-clamp or optional grommet mount