Pure Nickel Non-Resistance Ni200 Wire (30 Meters) This pure Nickel wire (NI-200) is the perfect coil building material option for the current generation of DNA 40 devices, such as the new Vapor Shark rDNA. When properly configured; a coil wrapped with Nickel wire will allow you to access the temperature sensing/limiting mode on your new rDNA, opening the portal to a new realm of vaping possibilities. This wire may also be used for coil applications that require non-resistance wire leads. 30 meters of pure round Nickel wire (NI-200)