Demon Killer Handcraft Coil Kit includes two pieces of handmade heating wire and coil cleaning tools. High-grade and exquisite, delicate taste, high degree of smoke oil reduction. The unique soft brush does not hurt the silk, easy to clean, and it is like new after cleaning. Six kinds of wire coils for optional: Mini staggered clapton, Parallel double coil, Interlock mini Alien, Staple mini Alien, Mini Alien, Framed staple mini Alien. All of them are made of Ni80.