This is 3 conductors twisted of 24 AWG shielded wires each with PTFE outside insulation. The wires are silver plated copper stranded each with 19 strands. The colors of the three inside wires are all white. These are shielded with a silver plated copper braided shield. Then the outside is a PTFE insulation jacket wrap. This is very high quality wire made in the USA. This is vintage wire MFG. Date is 10-21-69. It is made by Philadelphia Insulated Wire company. The overall OD of this wire is aprox. 0.1290 inch (3.27mm). I Will ship Worldwide. This is a 10 foot length of wire. If you buy more than one I will ship as a continuous length.