Upgraded Dual Monitor Mount - Fits for computer screens up to 39",each arm can hold 4.4-30.9lbs display securely.Our double monitor mount compatible with VESA mounting size 75*75mm or 100*100mm, but not compatible with 1000R curved screens. Comfortable Ergonomics Design - The full motion monitors arm can tilt +90°to -45°,swivel 180°and rotate 360°freely switch between horizontal and vertical modes, optimize your view and provide the best viewing angle while working or home applications. Longer and Higher Monitor Arm - This dual computer monitor stand comes with Gas Spring Adjustable arms that extend up to 22.6" which is perfect for larger desktops. It can be easily raised up to 19.7", providing you with more comfortable height adjustment. Perfect Desk Organizer - MOUNT PRO Dual Monitor Stand Mount free up much more valuable space on your desk.Say goodbye to messy wires situation, the integrated top-to-bottom cable management keeps your cords in order. Easy Assembly - Dual heavy duty monitor mount include clear installation, supporting c-clamp (drill-free) and grommet mounting(suitable for desks from 0.4" to 3.3" thick). 1. Material: precision plastic, steel and aluminum 2. Adjustable height: 6.7 -19.7 inch 3. Tilt: +90 ~ -45 degree 4. Swivel angle: +90 ~ -90 degree 5. Rotation: +180 ~ -180 degree 6. Max Extension 22.6 inch