Set of modern 3-light color light signals with snow hoods, also known as "Darth Vader" hoods or Safetran signals, in N Scale. This particular model was designed to fit onto the Digitrax SNABC LED signals, the shields have holes that line up with the LED's spacing. Just paint the shields black on all sides and glue to the Digitrax mast.
Have a look at the
single head and
dual head signal masts designed to fit the digitrax LED units.