The new connector now consists of 5, instead of 4 components. Added is a metal connector, which sits between insulation and liquid tube.
This has several advantages. On the one hand, the insulator is protected and thus has a very long service life.
On the other hand the new connector contains an additional insulation. ReseT ModS is talking about "100% leakage free".
The general problem with the tricky installation of 510 connectors has been solved by ReseT ModS with a special tool adapted to the connector.
We highly recommend to use this tool, but it's not recommended