Kanthal wire, used for building coils for rebuildable atomizers.

26, 28, 30, 32, 34 & 36 gauge come in 10 meter spools.
20, 22 & 24 gauge come in 5 meter spools.

All Wire is from Youde Tech on the clear small rolls except the 24AWG it is from Geekvape and comes in the larger plastic dispenser.

Disclaimer: Please have a clear knowledge and understanding of how to properly use these products before purchase as they are intended for use by advanced users.