It's called the Gather and it's a metal shelf for your desktop:
The Gather Collection simplifies your desk by providing a home for all of your essential items.
The magnetic system allows for complete flexibility so you can create your perfect set up.
Gather is crafted from premium materials in Pennsylvania,
You can snag a small Gather monitor stand in white or black with walnut or maple legs for $249. The large is $299. Plus, there are loads of compatible accessories for sale as well.