Wood Fence Post; 14 ft Rectangle 4x6Wood Fence Post Pressure Treated Southern Yellow Pine Our posts are manufactured from Southern Yellow Pine (SYP), which is a superior quality post. SYP posts drive into the ground well, with very little breaking or splitting. They absorb the preservative well in the pressure treating process so are better protected, and for a longer period of time than the competitors' posts. Others sell posts that are Canadian Red Pine, which have a much higher