Dalvento Powder Coated  Steel Rod for Weathervanes and Finials, 18-Inch Powder- coated steel for added durability 3/4" diameter rod with male/female threaded ends Total length 18" Connects with most finial and weathervane rods that have a 3/4" diameter (standard size for finials and weathervanes) Additional rods can be added for extra length if needed