Product Features: 22mm Diameter Innovative Top Cap Designs Airflow Washer Quad 3mm Airflow On Both Sides Vortex Flow Sloped Airholes Adjustable Via Tension From Threaded Sections Single Coil Specific Airflow Enlarged Offset Airhole Cluster Standard Airholes Measure 2.5mm Able to Be Closed Entirely Signature Jay Bo Side Airflow Triple 2.5mm Airholes On Each Side Open System Post Terminals303 Stainless Steel Large Cyclops Style Center Post Allows for Incredibly Large Coil Configurations Hexagon Screws Deckmilled Negative Posts Shelf Style Terminals Ideal Conductivity Accommodates Large Coil Configurations Phillips Screws Stylistically Enlarged Juice Wells 10mm Integrated Sloped Drip Tip PEEK Insulators Gold Plated 510 Connection CNC Engraved on Base