This is a five pack of Sense Blazer Mini Coils, each at 0.4ohms. These feature a midsize coil with a large diameter inner-design. It also has vertical coil configurations to offer 50 to 100W of performance. This allows slightly faster airflow for an increased flavor performance that will satisfy even the most advanced user. These units are intended for use with the Sense Blazer Mini Vape Tank and are also available in sizes 0.2 and 0.6ohms.