The heavy duty spring clamp can be mounted on devices with thickness or column diameter under 50mm. And comes with a 5/8"-27 male to 3/8"-16 female mic screw adapter.
This is a setup including a T-bar and a ball head, there come two 1/4" female to 5/8"male screws which can mount two microphones on both ends at the same time.
This is a microphone stand combination of a bar and a light stand head, there comes a 1/4" female to 5/8"male mounting points on both ends of the T-bar.