Electrical "knock out" for sure.
You can see the tab on it still which is a tell tale sign.
Also, it's 100% steel. Put a magnet on it, I bet you 100 knock out's it's steel.
You can see the tab on it still which is a tell tale sign.
Also, it's 100% steel. Put a magnet on it, I bet you 100 knock out's it's steel.























