There are three coils that exist for the Nord Kit by SMOK: 0.6Ω Mesh Coil, Regular 1.4Ω and 1.4Ω Ceramic Coil. The 0.6Ω Mesh Coil is specially designed for sub ohm vaping, it has a large mesh inside, with which you can get faster heating process and massive vapor clouds; and the 1.4Ω Coils are designed for MTL vaping, you can enjoy throat hit with it.