OZCO Ornamental Wood Ties (OWT) Ironwood Post-to-Beam Coupler Connectors are manufactured 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 Coupler Connectors offer two additional Timber Bolt or Timber Screw holes compared to our other OWT Post to Beam Connectors, providing added support, holding strength, and versatility.