22mm design to sit flush on most mods.
Step-down AFC (allows you to have any number of holes open/closed).
12 holes control airflow per side (3 bottom holes slightly larger than other holes).
Dual hole block center positive posts. T post for single, dual, even 4 coils.
Removable SS center post.
Square posts to prevent spinning post.
Threaded PEEK Bottom insulator.
PEEK top insulators.