This is a 5 pack of Nord replacement coils. These are compatible with the Smok Nord Starter Kit, the Smok Fetch Kit, the Smok RPM40 kit and more. There are currently 4 coil options: The Nord 0.6ohm Mesh coil, The Nord Mesh-MTL 0.8ohm coil, the Nord 1.4ohm Regular coil, and the Nord Ceramic 1.4ohm coil. The Nord 0.6ohm Mesh was designed for sub ohm vaping and promises massive vapour. The Nord Mesh-MTL 0.8ohm is perfect for mouth to lung and provides a longer lifespan. The Nord DC 0.8ohm MTL coil features dual coils to MTL vaping, they have a 2mm inner hole for excellent wicking, best used at 16W. The Nord 1.4ohm Regular is a great choice for MTL lovers. The Nord Ceramic 1.4ohm coil has high temperature resistance and a long lifespan.