Solidlock Pro 20, 330', 1348-6, Professional Strength, Fixed Knot Cattle Fence, 12.5G, Class 3, Fixed Knot Design Combined With High Tensile Wire, Strongest Woven Wire Fence You Can Buy, Design Locks The Line Wire & Stay Wire Together, Giving You Maximum Strength, Little To No Maintenance, Great For Cattle, Bison, Horse, Alpaca, Sheep, Goat, Ostrich, Emu, & Swine.