Actually, they were made out of “pot metal”, mostly tin, but also containing zinc, copper, and lead. I have sawn through a few originals and confirmed my suspicions with a spectrometer. After the originals were formed, they were plated with an extremely thin layer of copper, commonly known as “flash copper” to get a reflection underneath. Finally, they were coated with quite a few coats of toned lacquer, the same lacquer that we use today.

They will fit exactly. Screws are provided in the right thread and length in case you are missing them. A drilling template is also provided in the box.

Sure, screws and a drilling guide are provided with your purchase. Note, the depth of the cabinet face can vary - in that case, you made need longer or shorter #8-32 screws you can pick up at your local hardware store.