BARBWIRE GAUCHO 15.5-Gauge 4-Point Gaucho High-TensileStrong 15. 5 gauge wire: Handles tough animal pressure. 4 point barbs: Add extra protection and keep cows and other livestock from pushing through. Rust resistant Class 3 coating: Helps the wire last longer, even in more corrosive regions. 5 inch spacing between barbs: Gives balance and good visibility. High tensile wire: Stays tight and doesnt sag, so you spend less time on repairs. Holds up to large animals: Like cows and bison. Stays tight and