These coils are produced by Kanger. They make use of a stainless street grade that offers the user a more stable and pleasurable vaping experience in comparison to coils that use kanthal. This is a five pack of circular coils that enables more effective wicking. This will leave you with more to hold an e-liquid in your tank. They are durable and the resulting taste is pure. This particular product ranges from 15W - 60W.