Hemmotop Magic Arm Camera Mount Clamp, 9.8 in Adjustable Articulating Friction Arm Max. Load 6.6 LBS, for iPhone Monitor, Camera Mounts & Clamps Kit MS01 Black

It's a little dense, but it weighs about as much as a VKB Gladiator. I usually keep it mounted on a magic arm for camera stuff. https://www.amazon.com/11inches-Articulating-Capacity-Threads-Monitor/dp/B0CPDGQ7H7