- Compatible with 510 drip tip
- 1 large gnarled nut positive post with 2 negative terminals so you can build various (vertical) single and dual coil set-ups
- Chromed brass center post
- Deep juice channels/wells to stuff additional wick material
- Air flow control system (2 air holes on outer casing)
- Brass 510 contact pin
- Can be rebuilt with cotton and silica