The TFV12 Coils, from SMOK, are original equipment for the TFV12 tank, aka the Cloud King. If you have a TFV12 Prince (like a Smok Stick), these coils are smaller can be found here.There are tons of options to fit any particular device or vaping style as illustrated below:
What's In The Box?
3 x SMOK TFV12 Coils