This Zareba 600 ft. Thoroughbraid Heavy-Duty 7-Strand Polybraid is new permanent tensioned electric fencing that features 7 strands of woven, conductive stainless-steel wire. When used with pulse type energizers, this electric poly rope serves as both a physical and psychological barrier that horses learn to respect. For assurance, the Thoroughbraid heavy-duty polybraid is safety tested to ensure quality. This unique product is designed to last the lifetime of the fence and is backed by a 5-year limited warranty. Enjoy a highly visible permanent fence that has a flexible and safe design that will also resist breakage from weather and stress. Extend the life of your fencing with this rust-free electric fence wire for horses, which is UV-stabilized for a longer life.