VIVO Single Monitor Sit-Stand Height Adjustable Workstation Standing Desk Mount w/Gas Spring and Deluxe Tray/Holds 1 Screen 13" to 27" (STAND-SIT1C) &hellip; COMPATIBILITY - Fits one 13" to 27" screen with VESA mounting pattern 75x75mm & 100x100mm MOTION - Excellent 180 degree swivel and 360 degree arm rotation to create optimal viewing angles CABLE MANAGEMENT - System integrated to keep potentially messy cords clean and organized GAS SPRING - Deluxe technology lets workstation transition from sitting to standing and vice versa while requiring no tools and little effort MOUNTING - Mounting options include a 3.75 heavy duty C-clamp and a 3.25 grommet to fit a variety of unique desk systems