Diamond Post, also called vineyard post, vineyard stake, orchard post & orchard stakes are high strength long lasting steel post used for supporting grape and other fruit growth. -Corrosion & rust resistant due to the class 3 hot dipped galvanization (275g/m^2) but can also be ordered without the galvanization for a more “weathered” look. -Comparable to wood post in strength and rigidity. -Do not leach any chemicals. -Safe for organic farms & gardens! -Replacement for steel T-Post if you are looking for added strength. -Butterfly Notch every 4″ for easy installation of farm & field fence. -Life span of approximately 20-30 years.