OZCO Ornamental Wood Ties (OWT) Ironwood Post-to-Beam Connectors are designed to add stability and style to any project using 6” or larger posts. OZCO manufactures all our patented OWT Post-to-Beam Connectors with 3/16” heavy gauge galvanized steel finished and black powder coated offering the highest corrosion resistant products in the industry. The revolutionary OWT Post-to-Beam Connectors offer a top cover plate that interlocks with the ledge and adjusts to the thickness of the beam for use on smooth or rough-cut wood.