This lot of 17 vacuum tubes includes a variety of brands such as Tung-Sol, Westinghouse, and U.S. Army. Each tube has been tested and is ready for use in your vintage audio or video equipment. Whether you're a collector or a musician, these tubes are a great addition to your collection. Take your sound to the next level with these high-quality vacuum tubes. Their unique characteristics and vintage charm will add a touch of nostalgia to your equipment. Don't miss out on this opportunity to own a piece of history.