This lot includes 250 k748 glass tubes, perfect for vintage audio and video enthusiasts. These tubes are ideal for use in a variety of applications, including amplifiers, oscillators, and rectifiers. Each tube is carefully crafted to ensure high quality and reliability, making them a great addition to any vintage electronics collection. With their durable construction and excellent performance, these k748 tubes are sure to meet all your vintage audio and video needs. Whether you’re a collector or a hobbyist, these tubes are a must-have for any vintage electronics enthusiast. Don’t miss out on the chance to add these high-quality tubes to your collection today! D