0.4 inch tubes featuring 16 segments bright displays, perfect variety of electronics projects. Common cathode ensures easy integration into your circuits, making ideal DIY enthusiasts hobbyists. of 10 allows multiple projects replacements, providing excellent value your electronics toolkit. Versatile application clocks, counters, other displays, bringing vintage aesthetic modern electronics. construction ensures long-lasting performance, making these tubes reliable choice your electronic designs., Manufacturer: HANXBTO