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