Interion-Gas Spring Dual Monitor Desktop MountThe Interion-By Global Industrial Dual Monitor Desk Mount offers ergonomically correct positioning of a two work displays without sacrificing desktop space. Working at a computer screen that's at eye level can prevent lost productivity due to eye strain and back pain caused by poor posture. The dual monitor desk mount is engineered from aircraft grade aluminum and injection molded plastic for unparalleled durability and smooth adjustments. Each integrated high performance gas lift spring powered arm is optimized for holding a monitor up to 20 lbs. and makes swiveling, tilting and rotating displays easy. The dual monitor desk mount includes a dual USB 3.0 port hub in the base, which are convenient for connecting keyboards, mice, USB flash drives, or for charging and sync with other devices. The 6-ft. USB connection supports room for standing desks, even when the computer is situated on the floor. The mounting hardware supports clamp installation on desks up to 3 inches thick with wire routing for a clean seamless look. The mount can also be converted to grommet installation for secure mounting to standing desks with pre-drilled grommet holes.Specifications: Construction: AluminumWeight Capacity: 4.4 - 20 lbs. (each arm)Screen Size Compatibility: 17" - 30"Screen Tilt: 85° up and 15° downScreen Pivot: ± 90°Screen Rotation: 360° Arm Pivot: ± 180°Arm Extension: 490 mm / 19.6 inchLift: 438 mm / 17.3 inchVESA Pattern (mm): 75x75; 100x100Integrated dual USB 3.0 hubConvertible installation mount - clamp or grommet style