Conforms To Federal Specification FF-T-791b, Type 1, Form 1 - Class 5 Material: Forged Steel, bodies are normalized. End Fittings are quenched and tempered. Loading: Proof load is 2.5 times working load limited. Ultimate load is 5 times working load limited. Finished: Hot Dipped Galvanized. Brand:DAWSON/OEM Code:DS-FTHH Size:0.3-37.5lbs