Let the good times roll with this 4-pack of Uwell Nunchaku coils for the Nunchaku Sub-Ohm Tank by Uwell. A couple of options are available, and you can choose from Claptonized A1 coils with 0.4 ohm or Claptonized A1 coils with 0.25 ohm. With the 0.25 ohm coil, you can vape with wattage between 40 - 50 watts. With the 0.4 ohm coil, wattage should be between 45 - 55 watts. Get ready for billowing clouds of vapor with this 4-pack of Uwell Nunchaku Coils.