12.5 gauge filler wire. Graduated mesh 3 x 6 at bottom. 7 x 6 at top. Square deal stiff-stay knot. Knot is smooth on both sides. Galvanized steel with red paint at the top. Protect your investment with our most reliable confinement for cattle. hogs and other large animals. Able to withstand the demands of corralling large animal herds. Ideal for all terrains. as well as corrals and pastures. Special wire crimps withstand even the most severe weather by allowing the fence to expand and contract.10 ga. top and bottom horse fence wireAble to withstand the demands of corralling large animal herdsIdeal for all terrains. as well as corrals and pasturesGalvanized wire resists weathering as well as wear and tear