Barbed Wire, High-Strength, 15.5G, 4-Point, 1320-Ft.Gaucho 20, 1,320', high strength barbed wire, 15. 5g, 4 point, 5" spacing, class 3 , made of high strength steel wire, can use a smaller diameter wire while maintaining the same strength as standard strength barbed wire, reverse twist design reduces sagging, eliminates the need for pre stretching & allows for increased post spacing, all of which will save you time, money & maintenance headaches, great for cattle & exclusion purposes.