Make sure to properly prime each coils before use.
Warning: These coils are for a Sub-Ohm resistance atomizer and only work on mechanical mod or devices that can handle Sub-Ohm resistance of 0.5ohm or lower. Please make sure you have a great understanding and technical knowledge on how to use mods and batteries that can handle Sub-Ohm coils. Do not use short or flat 510 connection on any hybrid or hybrid style device. If you are not familiar or unsure of particular products or set-ups, please do not use it. Always use proper precautions and handling.