The AUGVAPE OCCULA RDA is a cooperation between AUGVAPE and TWISTED MESSES. It is a perfectly designed rebuildable tank atomizer with innovative internal-post clamp design. It features dual posts with big M3 Screws that make the deck very easy to inset coils for user. And it is compatible with both single and dual coil building. The top cap dome design of AUGVAPE OCCULA reduces chamber space and brings better throat hit. The AUGVAPE OCCULA RDA also comes with a BF pin, so it is compatible with most squonker MODs. Just get this delicate device for optimal flavor and massive clouds!Diameter: 24mmJuice Well: 5mmType: Single/Dual Coil RDAThread: 510 threadIt comes with1x AUGVAPE OCCULA RDA1x Hex Allen Key1x BF PinSpare Parts & O-Rings