This is 25 feet of silver plated copper wire with PTFE insulation. This is 26 AWG solid wire with 1 strand. This is very high quality mil. Spec. wire made in the USA. The OD of this wire is aprox. 0.0360 inch (0.91mm). The color is white. This would be great for audio projects, ext. I Will ship Worldwide. This is a 25 foot length of wire. If you buy more I will ship as a continunus length.