For fast and safe installation of frame ties, this heavy duty 1/4″ steel hook locks securely onto frame. Certified Galvanized Steel Strapping conforms to NCS BCS A225.1 (ANSI A119.3) and HUD specifications. The HUD Code requires that certified strapping must meet ASTM specifications, have a minimum (0.30 oz. per square foot) galvanized coating and must be marked every 5 feet. Tie Down strapping is marked every 12 inches.