This is an excellent quality new Medium Rubber horn bulb,
with brass ferrule.
This bulb is generally used on Veteran,
Vintage and Historic Bikes and bicycles.
The bulb will stretch larger than the ID, and you can
file/drill out the brass ferrule to fit.
Premium quality rubber compound and mounding.
This bulb is most suitable for vintage and veteran vehicles,
and is the most popular bulb used on motorcycle horns.