Innokin Axiom Coils use Kanthal in their wire which is made from an iron-chromium-aluminium alloy that is very well suited to high temperature applications such as vaping. The Axiom Coils are suitable for use with the Axiom tank only. Compatible with the innokin Axiom Tank 100% Organic Cotton Wicking. No Spill Coil Swap System. Recommended wattage : 0.5 Ohms(Ω) : 20w to 35w