This 3 pack of TFV12 V12-T12 Quadruple coil 0.12ohm by Smok is a great way to stock up on replacement coils for your TFV12 V12-T12 device! Featuring innovative, state of the art designs these high power coils have an 18mm diameter deck, two post, dual terminal design with 8mm by 5mm internal air slots and efficient wicking port designs. You'll be vaping to your hearts content in no time with these amazing coil options!