IN-21 IN21 ИН-21 nixie neon tube display digit clock point dot vintage 2pcs
They are good quality and are typically used in clock projects. They display DOT. Nixies is made in USSR. Rare, not produce now. Tube size: (10mm x 36mm). The current display, mA - 0.5 - 1.5. Grow brightness, nt: 40;.