A nice all set one of the door knobs has some scratches on it. It comes with the back plates one of the door knobs. The set screw is rather large, but it works. The lock mechanism is approximately the face of it is brass and it’s approximately 3 inches long, and about 5/8 wide I’m not sure what they price these at anymore. I have a lot of glass door knobs. I have to break them out and sell them. The back plate brass back plate. There’s another name for it but I’m not sure of it is approximately 2 inches round is two of them they seem to match.