H-104.04 Black Rubber Horn Connector – perfect fit over the neck of the Edison or Columbia (or others) cylinder reproducer. 2¼ inches long (5.75 cm). ID = 5/8″; OD = 3/4″. These connectors are a bit stiff but are thin and still flexible. The end flange is on one end of the connector. The flange is usually placed on the neck of the reproducer. Note: ONE rubber connector; the reproducer is NOT included.