07-12-2016, 10:28 AM
dave, if you search for "Gimbal", you would be more succesful than searching for "gimble", which only is a brand, while https://en.wikipedia.org/wiki/Gimbal is the technical term for the spherical movement of something where the device provides an adjustable centerpoint. And although I usually don't click on eBay-links: The one you provided leads to not so interesting products, sorry. Especially because none is a real gimbal head!
A Gimbal head is the opposite of a ballhead and looks like this
A Gimbal head is the opposite of a ballhead and looks like this