【unicorn】una0052 's Japan Review

Unicorn products tend to have a larger tip than other companies (especially those made in Japan). When using Unicorn's tip/conversion, the barrel often protrudes a little bit. If you want to use a conversion with a Unicorn barrel, it is best to use the same If you want to use a conversion with a Unicorn barrel, it is best to use the same Unicorn product.

The disadvantage is that it is a little bit heavy (1.8-9g).
(The carbon one of the same series has threads that gradually grind off and start to pull out...although it is light...)