3-16 to 170V DC Nixie Power Supply Boost Module
If you're building your own Nixie tube clock, the tricky part can be making a decent power supply. To save effort instead use this 170V DC boost module from PMD Way.
It can supply enough power to run up to eight large IN-14 style tubes with aplomb. See images for example in use.
3~16V DC in, 170V DC out. 19 x 13mm. Free delivery, worldwide.