Specification: 25mm Diameter with 810 drip tip Dual Post Expansive Build Deck Superior Stainless-steel Construction Double O-Ring Top Cap Connection Dual Slotted Airflow System Side Airflow Vents To Side Of Coil Slotted Top Cap Airflow Control Squonkable BF 510 Connection 5mm Deep Juice Well Package Contents: 1x WASP NANO SRDA 2x O-Rings 2x Coils 2x Slotted Set Screws (M2.5 x 3.5) 1x Phillips Screw 1x Organic Cotton 1x Flathead Screwdriver 1x Coil Jig 1x BF Pin The WASP NANO S RDA is a versatile, fantastic performing RDA that is a strong pick for the vaper looking for an easy build and a well-tuned vape experience. The OUMIER WASP NANO S RDA adopts superior stainless-steel construction for classic, stylish and durable. And the WASP NANO S RDA has 25mm Diameter with 810 drip tip which is compatible with most 510 mods. Featuring dual post expansive build deck and dual slotted airflow system, the OUMIER WASP NANO S RDA will bring you dense clouds and amazing flavor. Moreover, the WASP NANO S RDA has 5mm deep juice well and is easy to refill and build coils. Just get the WASP NANO S RDA and enjoy the wonderful vaping.