Simpson Strong-Tie connectors make projects easier to build while making them stronger and safer. They are engineered and tested to perform and are manufactured to the highest quality standards. Whether working on a home project or building a structure to comply with building codes, go with the choice of engineers and contractors, go with genuine Simpson Strong-Tie connectors. Rigid Tie connector products are great utility connectors used to connect wood members together in a variety of ways. RTA 18-Gauge Galvanized Rigid Tie® Angle for 4x Joist/Post (Pack of 3600).