AFIK, they were specifically made for the innokin Itazte VV3 pen model, to fit it's square tube body. Haven't used them, as I prefer bottom coils. They are 510 threaded, so should fit most batteries.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.