1/4 Mile, 14 Gauge, Aluminum Wire Fence, User Friendly Wire Will Not Rust, Easy To Install, Conducts Electricity 4 Times Better Than Steel Wire, Aluminum Is 1/3 The Weight Of Steel, Greater Flexibility, Can Be Hand Twisted & Tied Without The Use Of Special Tools, Easy To Respool & Ideal For Controlled Grazing, A Lifetime Guarantee Against Rust.