This vintage glass insulator is a true piece of American history, made in the United States by Hemingray in 1944. Its mold number is 18 and it measures 4.5 inches in length. This collectible item has been well-preserved and is in excellent condition, ready for display or use in your collection. Whether you are a collector of glass insulators or simply appreciate the craftsmanship of vintage American-made items, this Hemingray 45 insulator is a must-have.