There was some talk a while back about this insulator. I believe it was called a wood insulator. I has metal ends with hooks and is wood in the middle. It is about 12 inches long. If I remember it was associated with the trolley in San Francisco or something like that. Can any of you ICON's help me with this piece? I recently bought some insulators out of a collection and it included several of these. I would like to sell them but need some info on them. Thanks in advance for any help.