Fi-Shock WC-141320 1/4 Mile, 14 Gauge Spool Galvanized Steel Wire Basic, economical galvanized steel wire Breaking load of 698 lbs Tensile strength of 150,000 psi Both porcelian and plastic insulators can be used Fi-Shock Energized Fencing provides safe, secure, superior quality electric fencing for all your animal containment and control needs