Humanscale M8 Dual Monitor Arm with 2 VESA plates and screws Bolt through Clamp.

HUANUO Dual Monitor Wall Mount with Design Arms 17-32 Inch 3.1 Kilograms Black

Dual Monitor Arm Desk Mount Adjustable Gas Spring VESA Stand 2 Screens Black

Humanscale M8 Dual Monitor Arm with 2 VESA plates and screws C-Clamp.

Humanscale Dual Monitor Arm Desk Mount with plates and screws.

Humanscale M8 Dual Monitor Arm with 2 VESA plates and screws - Large desk Clamp.

Humanscale M8 Articulating Dual Monitor Arm Double Crossbar

Humanscale M8 Articulating Dual Monitor Arm Double Crossbar - NO VESA PLATES