Here we have the Yin/Yang pattern Bagua style mechanical. Fasttech has them up for just $20.13. These are made of stainless steel and have a built in airflow control at the top. Great price for a nice mod.
THE HARD COPY:
- Engraved with 'Eight Diagrams'
- Top cap with air control ring
- Spring loaded button is at the bottom of mod
- Bottom locking ring, convenient to use
- 510 threading connector
- Compatible with any device with 510 threaded connector
BONUS: FREE WORLD WIDE SHIPPING