Designed for 2 stacked monitors - Elevate the monitor up to eye level, relieving strain on the neck & shoulders, correcting your working posture. The cable management part keep wires organized while freeing up more space on your desktop Ergonomic Viewing Experience - ErgoFocus dual monitor desk mount offers a screen tilt up and down 30°to30°,90°to 90° swivel, 360° rotation, and easy height adjustment along the 31.7 center pole for better viewing. You can place the monitors in portrait or landscape orientation conveniently Vertical Monitor Mount - Wide compatibility fits for most flat or curved 13,19,22,23,24,27,29,32 computer screens, holds up to 17.6lbs per arm, compatible with VESA pattern 75x75mm/100x100mm Stable Construction - Stacked monitors in one pole securely on the C-clamp or grommet. C clamps fit desk thicknesses up to 3.15" while grommet mounting works well with desk thicknesses up to 1.57". Meet your needs with different desks, stable and not