Product Info Catalog Building Materials Construction Connectors, Straps & Angles Rigid Tie Connector, Zmax Coating, 18-Ga. Steel Rigid Tie Connector, Zmax Coating, 18-Ga. Steel Request a Quote UPC: 707392713517 Manufacturer: Simpson Strong Tie SKU: 190920 Model Number: RTC2Z Zmax, 18 gauge, 2x galvanized rigid tie connector.