To be used with RDA and RTA Tanks. Resistance may very depending on tank and mod used. K eep vape batteries away from direct sunlight. x10 - 0.22Ω Multi Strand Fused Clapton 2 Coils - Ni80 3MM ID. x10 - 0.7Ω Super Clapton Coils - Kanthal A1 3MM ID.