MILLER 2507 - FLUSH MOUNT ADAPTER FOR ROTATING SIGNS

MILLER 2507 - FLUSH MOUNT ADAPTER FOR ROTATING SIGNS.  

The base can either be mounted 
below the surface of your train table, which requires a 
1/2" hole. It can also be mount above the surface of 
your train table, this requires a 3.25" hole to be cut in 
the layout top.
Top mounting is easier to do and makes servicing the 
unit easier should there ever be a problem.

The top plate measures 4" Dia. Comes with mounting 
screws and instructions.