183235 Gallagher North America AXL17250 250, 17 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.