The Capstone 24 has a 5mm deep juice well with a waterfall style bottom feed system for even juice distribution. The single screw spring loaded capstone deck style build deck measuring at 4mm on the top and 5mm on the bottom. The coils lead can be easily measured with the Vandy Vape Coil Lead Guide; Place the Coil's leads onto the Coil Lead Guide through the desired length (4, 5, 6, 7, 8, 9, 10) and cut to size, the recommended length is designated at 7. Airflow enters the Capstone RDA's knurled top cap through dual rhombus style airflow design, featuring three airflow tube options; Fully Open, Half Closed, and Single Coil. The Acrylic Top Cap of the Capstone features an open airflow slots along with the top cap acting as the drip tip. The Capstone uses the popular 810 drip tip system and comes with an Acrylic wide bore drip tip and a 510 drip tip adapter that has a 4mm bore 510 pre-installed on it. The golden 510 pin can be changed to a squonk pin for any bottom feeding device.