3" 6 Strand 45-Degree Corner Galvanized Barbed Wire Arm for Chain Link FencesFences topped by barbed wire remains a common installation at power plants, police stations, correctional facilities, and other venues needing high security! This 3 steel corner barbed wire arm specializes in stretching barbed wire on a two directional fence post while also stabilizing and strengthening your barbed wire in place of stopping and starting with end bands! Fits 3" nominal actual posts 45 degree angle each way Galvanized steel Corrosion