This product is either discontinued or we cannot get that from suppliers.
KENSINGTON 60904 SmartFit Extended Monitor Arm Mount, For up to 24" Screens, Capacity up to 25 lbs/screen, SmartFit® System, 4 height regions, Adjustable monitor arm, VESA 75/100mm, Cable management, Grommet clamp, BLACK
Allows you to select your personal height setting using the included color-coded fitting chart so you can set the mount at your personalized height.