This economical galvanized steel wire comes in several sizes to fit your standard electric fencing needs. The Zareba Galvanized Steel Wire coil has 100 ft of 17 gauge wire. It has a breaking load and a tensile strength. Zareba 100' 17 Gauge Steel Wire: 17 gauge 100' coil Tensile strength 90,000-105,000 psi Breaking load 125-145-pound Basic, economical galvanized steel wire