Please adjust the tension to adapt to your monitor. The dual monitor desk mounts offer a full range of motion with +/-45° tilt, 180° swivels, and 360° rotation functions for comfortable viewing. The monitor arm mounts widely fit most 18 to 32 inch LCD LED flat & curved screens with VESA pattern. Weight supports up to 9kgs. By adjusting the tension of the arm, you can post your monitor at different heights to meet your eye level or posture, reducing strain on your neck, shoulder, and eyes. The computer monitor stand can mount on the edge of a desk or through a grommet hole, freeing up a huge of space on your desk, making your workstation spacious and tidy. Built-in cable management system, can be easy to hide your cable into the cover under gas spring arm. No more mess on your desk, keep a nice cable organized. Monitor VESA desk mount is easy to install with a C clamp (drill-free) or grommet base mount. Heavy-duty monitor arm with built-in cable control professionally helping to hide wires. The single monitor stand releases desk space while creating a more comfortable work environment. The full-motion monitor arm allows your monitor to tilt, rotate and swivel to find an optimal angle for your work as you need; super easy to adjust your screen from landscape to portrait mode. More desk space, better workflow! The quick-release VESA plate makes it simple to attach to your monitor. It takes less than 15 minutes from opening the box to using the monitor.