Spark Greywash Tattoo Needle Cartridge Membrane System 

* All cartridge made from medical engineering plastics and 316L medical stainless steel. Sterilized by EO gas.                                       * Blackbird series cartridge is a economical option,premium needle with Rubber O-rings system. * Spark series cartridges is a prime needle cartridge with membrane system to prevent ink flow back. Abosolutely Safe!                      Spark Truecolor series improved in 2018 with better material and sharp needle, make best use experience.                                            Spark Greywash series upgraded on innner structure with soldered needle bar inside make producing more steady and efficient.  Company information:…