The Coilology Alien V2 Coil. It comes with 10 pieces pre-made Ni80 coils with optional 0.22ohm, 0.3ohm, 0.34ohm or 0.40ohm resistance, the Coilology Alien V2 Coil will bring you the optimal clouds and flavor. Using the highest grade of materials increases durability and reduced carbon deposit. 10pcs each pack. Best choice for DIY lovers.