Shown in the above photo is the Elgato Multi Mount Weighted Base and other Elgato accessories, like Elgato Multi Mount Flex Arm Kit, Elgato Multi Mount and Elgato Multi Mount Smartphone Holder, each sold separately.
Here is some general information about Elgato Multi Mount Weighted Base:
Elgato Multi Mount Weighted Base
Weight
4.8 kg / 10.6 lbs
Diameter
26 cm / 10.25 in
Material
Steel
Included in box:
Heavy Base
M4 x 16mm Flat Top screws x2
4mm Hex Wrench
2.5mm Hex Wrench
Elgato Multi Mount Weighted Base - Warnings
DO NOT OVERTIGHTEN.
Be aware of tipping! Ensure that the product is stable and the load is not too heavy. Special caution is advised when using the Elgato Multi Mount Flex Arm Kit.