24mm Diameter 20mm build deck 15.1mm wide bore delrin drip tip 304 SS Construction Gold plated brass 510 pin Peek insulators Two interchangeable top caps Clouds bro clouds cap features two 3mm airflow holes Flavor bro flavor cap features two 2.5mm airflow holes Unique raised / angled airflow holes to help prevent leaking when over dripping occurs 2.5mm post holes Raised negative post holes for easy building PCS slotted flat head screws Spare o-rings / screws included