These were all together in one box from the lot of all the camera equipment that we got not sure what all they go to what they're all for I'm guessing that their viewfinders or looking glasses of some sort I'm not really sure I know that they're really neat that's they look older look like they took some time to get some of those pieces cut and put together so cold collection 1/2 for display cool collection for somebody if you're looking for one of these for parts if anybody has more ideas on exactly what they are feel free to message if you have any questions please reach out and let us know and we will get back to you soon as possible thanks for looking