If you own an electronic cigarette that uses micro coils, then you can save money and find it personally satisfying to construct your own coils. The process isn't difficult, and it only takes a few basic tools. Below is what you need and a step-by-step procedure to building your own micro coils:
Building micro coils for your electronic cigarette - tools and materials needed
28-gauge electronic cigarette resistance wire - Resistance wire is sold for a variety of applications, but it is best to purchase resistance wire designed for use in electronic cigarettes.