[Question] Does anyone know the specific name of this clamp

Adam Savage was using this clamp and I was wondering if it would be possible to purchase it without having to purchase an entire C-Stand. If anyone knows where to purchase one of these or even the name of it so I can search myself I would be extremely appreciative.​http://bit.ly/2sVV4kE via /r/photography http://bit.ly/2sYj1aZ