Ergotron – LX Desk Monitor Arm in Black, Monitor Mount with patented Constant Force Technology, for displays up to 34″, 3.2-11.3 kg with VESA-Standard

Ergotron HX – Mounting kit (handle, articulating arm, desk clamp mount, grommet mount, 2 pivots, mounting hardware, extension part, hinge bow) – for 2 monitors – matte black – screen size: up to 32″