100ft 26 AWG Round Tempered ni200 Wire - 0.40mm diameter, 0.2373Ω/ft. 0.7783Ω/m

For use with temperature controlled devices only. 

Coil Society Wires are intended for hobbyists, for advanced users only. Before using these wires for the construction of temperature-controlled heating elements, please familiarize yourself with Ohm’s Law, know the limits and specifications of your device and batteries, and always meter your build with a reliable resistance meter or multimeter. Neither Coil Society nor its officers or owners is responsible for improper use of this product.