This is a great opportunity to own a set of vintage Triad vacuum tubes. The tubes are from the 6T8, 6AB4, 6AU8, 6DR7, 6BN6, 6DK6, 6DT6, and 6BR8 models, all made in Japan. These tubes are perfect for collectors or anyone looking to add some vintage charm to their audio setup. The tubes come in their original packaging and have never been opened, making them a rare find. Don't miss out on the chance to add these classic tubes to your collection.