Ergotron
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A robust hinge mechanism provides an incredible 115 degrees of tilt adjustment while simultaneously .....
-Designed for HX Arms: Upgrade your HX Desk Arm (45-475-216), HX Wall Arm (45-478-216), HX Dual Desk.....
-Ergotron 200 Dual Monitor Arm - 13 Lb - BlackManufacturer: Ergotron Part: 45-231-200 UPC: 698833010.....