WOTOFO NUDGE RDA 24mm has an unique 4-post staggered Z deck with side open post hole system, which offers a great convenience for coil building. 2 side-airflow slots brings concentrated flavor and vapor production. And the floating post design ensures large juice capacity. Gold-plated 510 pin and BF pin are included so that you can use both regular and squonk MODs. The NUDGE RDA is compatible with 810 and 510 drip tip.