Prometheus RBA Clone
It features a copper pin, an adjustable airflow ring that is locked in place by tightening the top cap. Its design has one positive post, and two negatives, which accommodates the building of multiple coil configurations.
The top post is slotted for easy application of coils (micro or otherwise)
Wick holes are similar in size to the turbine atty.
The air flow controls on this are full of options.