The 2500020 is 500' boundary wire 20 gauge which will expand your containment system beyond the initial 500 ft. of wire that accompanies the in-ground fencing kit. Each spool is 500 ft/150 meters of 20 gauge, solid core, burial-grade wire.2500020 Features:
* Boundary Wire 20 Gauge
* 500 ft/150 m Length
* Solid Core, Burial-Grade Wire
Q: Are these wires stranded or solid core?
A: All of our boundary wire are solid core.