KXC420W KX Low-Profile Quad Monitor Arms, Column Desk Mount, White. Chief's premium Kontour KX Series Monitor Arms provide the most complete range of motion available, due to our exclusive FleXlink design. KX Series mounts with FleXlink optimize the depth of dual-, triple- and quad-monitor installs for shallow depth desktops while still providing full range of motion for screen sharing with colleagues. This series includes Chief's patented Centris Extreme Tilt technology for effortless fingertip monitor positioning. Kontour monitor mounts float your displays in the optimal ergonomic position above your work surface to create a more productive and comfortable work environment. Key Features FleXlink provides full range of motion while optimizing depth of dual-, triple- and quad-monitor mounts for shallow-depth desktops Best-in-class weight capacity range of 5 to 25 lbs. (2.3 – 11.3 kg) makes specification simple No need to pay more for that "heavy duty" arm to support your Apple monitor or All-in-One! Sleek, solidly-constructed forged aluminum arms in subtle silver, black and white finishes Enhanced patented Centris Extreme Tilt provides +75°, -10° of effortless tilt, for optimal viewing comfort whether sitting or standing Enhanced column interface enables easy upgrades from single- to dual- or triple-monitor installations without impacting the existing installation, future-proofing your investment 20" (508 mm) of total height adjustment range 13" (330 mm) of dynamic height adjustment using smooth motion gas-spring technology Additional 7" (178 mm) of manual height adjustment on the column Enhanced 3-step installation and quick-release monitor interface for easy mounting and maintenance, with included tool storage in the base Easily clamps to edge of desk, through standard grommet hole, or through bolt hole with included kit Tool-free cable management covers for a clean, professional look.