VIVO Quad LCD Monitor Heavy Duty Desk Mount 3 + 1 Stand/Holds Four Screens up to 27" (STAND-V004Y) COMPATIBILITY - Holds Four Screens up to 27" and 17.6 lbs each with VESA Mount (75 X 75 & 100 X 100 mounting holes). Mounts to desk with heavy duty 4" C-clamp or optional grommet mount MOTION - +45 degree to -45 degree tilt, 360 degree swivel, 360 degree rotation, and height adjustability for optimal viewing angles CABLE MANAGEMENT - System integrated in order to keep potentially messy cords clean and organized DIMENSIONS - Center Post height measures 32". The distance between the two outside mounting brackets measures 53" when fully extended. 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