25 SWG Super Enameled Copper Winding Wire For Transformers, Inductors, Electromagnets, Solenoids, Motors, Generators, Speakers etc. Wire Gauge: 25 SWG, Copper Diameter: 0.508mm, Resistance Per Meter: 0.0851 Ohm Approximate, Current Capacity: 800mA Approximate, Length: 1 Meter (multiple quantity will get continuous one long piece).