This is 20 feet of silver plated copper wire with PTFE insulation. This is 30 AWG stranded wire with 7 strands.  This is very high quality mil. Spec. wire made in the USA. The color is yellow. This wire is rated it 600 volts 200 degree celsius 392 degree fahrenheit. The O.D. of this wire is aprox. 0.0305 inch (0.78mm). This would be great for audio projects. I Will ship Worldwide. Please check my eBay store for much more silver plated wire. This is a 20 foot length of wire. If you buy more than one length I will ship as a continuous length.