REDUCE EYE AND NECK STRAIN: When you use this vesa mount arm, the first and foremost benefit is the ability to change a monitors height, depth and sometimes even its angle. This customization allows a person to position their monitor in the exact spot it needs to be to prevent them from straining their neck and eyes while using over an extended period. VERSATILITY: With single arm monitor mount, a person can easily switch their monitor from landscape to portrait mode. They can even use additional monitors and adjust them in the same manner, using one in each mode or both in the same position. Grommet or C-Clamp installation offer you more optial choose. FREEING UP SPACE: The 27 inch monitor stand lifts the monitor off the desk, creating usable space underneath the screen. A person can leave this space empty to give their desk a crisp, modern style. On the other hand, this space can be used to store caculator, books, pens and other things generally found on ones desk without clut