Magnet wire is copper wire with a thin layer of insulation, and is used in a variety of applications including transformers, wound coils, motors, solenoids, and instruments.
The Extruded Polytetrafluoroethylene (PTFE) insulation allows for use in high temperature electronic applications, and protects the wire against abrasion, chemicals, oils, and solvents. 24 AWG Gauge Stranded Hook Up Wire, 250 ft Length, Black, 0.