Demon Killer Violence Coil 7 in 1 Kit comes with 28pcs well-made Kanthal coils and 1pc Allen Key. These coils are in 7 type with 4pcs of each, including Alien V2 coil, Tsuka coil, Clapception coil, Framed Clapton coil, Spaced Clapton coil, Tri-twisted Clapton coil and Staple Staggered Fused Clapton coil. Get them as spare part for your RBA tanks. Parameter: Material: Kanthal Coil type and resistance: Alien V2 coil 0.25ohm Tsuka coil 0.25ohm Clapception coil 0.35ohm Framed Clapton coil 0.26ohm Spaced Clapton coil 0.35ohm Tri-twisted Clapton coil 0.35ohm Staple Staggered Fused Clapton coil 0.3ohm Package Includes: One Convenient Carrying Box One Allen Key Four 0.25ohm Alien V2 Coils Four 0.25ohm Tsuka Coils Four 0.35ohm Clapception Coils Four 0.26ohm Framed Clapton Coils Four 0.35ohm Spaced Clapton Coils Four 0.35ohm Tri-Twisted Clapton Coils Four 0.3ohm Staple Staggered Fused Clapton Coils