This is technically not a setting but that was how I envisioned it being used. These are base metal with a silver tone plating. They look a bit gold in the photo but that is just the camera flash. These come with a pin back soldered on them length wise.  I am showing you an example in the photo of how these might be used, you don't get the cameo. What is good about this item is you can use it as a setting for lots of different size stones and cameos, have you ever wondered what to do with those non-standard , odd size stones ? This could be the answer. The filigree is actually a bit larger then a 40x30mm cameo so you can use it for that size and every smaller size. One thing to note is that the filigree does have a slight dome to it. You'll need to consider that when mounting something on it. Lots of possibilities for using this item.