Fit Your Monitors and Desks- Each arm can fit 13 to 30 inches flat/curved monitors with Vesa pattern 75x75 and 100x100; Each arm holds 4.4lbs to 19.8lbs. About the desk, we recommend wooden desktops and the compatible desk thickness is 0.59"-3.54". Hold Your Monitor in Place - HNDS6 features a unique structural design that offers a more reasonable product structure compared to other hinge brackets, significantly improving stability. It also provides two desktop installation methods: C-clamp or grommet base. Both options ensure stable and secure fixation for your monitor. At HUANUO, we have always been focused on improving the strength and stability of desktop dual monitor mounts. Optimize Your View and a Wide Range of Motion - No more bother rotating the angle by adjusting the screw! The gas spring desk arm makes it adjust with such smooth action. The monitor stand allows your monitor to swivel, tilt and rotate. Go and freely set your monitors to customized angle and position. Comfort Is Fundamental - Our dual monitor arm for desk raises monitors to eye level, improving posture, relieving strain on neck & shoulders while increasing productivity levels.Height adjustable, full motion design lets you work in a more comfortable ergonomic position. Easy to Install - Includes instruction manual and standard mounting hardware for installation. The dual monitor mount is also designed with a cable management function to route wires for a cleaner, more streamlined look. Mounting your monitors can free up an extra 50% of desktop space and reduce clutter.