Twisted Minds Single Monitor Aluminum Slum Pole-Mounted Spring-Assisted Monitor Arm

Installs from Top Side: installs entirely from above the desk surface
Built-in Spring Tension Gauge: for perfect weight adjustments
Detachable VESA Plate Design: enables easy installation
Smooth Arm Insertion: ensures easy installation
Spring-Assisted Mechanism: allows to easily move up and down
Two Mounting Options: both desk clamp and grommet are included