SODIAL(TM) 8 Wrap Coils Iron Liner Gun Tattoo Machine New and high quality Made of superior composite material, the spring is high-elastic and anti-fatigue for long-time working Pure iron armature bar has excellent magnetic conductivity With stable performance and rapid thermal diffusion, it can work for 8 hours at a stretch without heat High-quality 2pcs 8 warps coils is specially designed for tattoo machine