This is 39 feet of shielded 24 AWG silver plated copper wire with PTFE insulation. The inside conductor is stranded with 19 strands, it has white (teflon) insulation. The outside is white PTFE (teflon). This is very high quality mil. spec. wire. This wire is well shielded with a silver plated copper braided shield. This is 1990 vintage. I Will ship Worldwide. The OD of this wire is aprox. 0.0825 inch (2.09mm). This is a pre-cut 39 foot length of wire.