Fully Threaded Rod, Material Steel, Finish Black Oxide, Thread Size 5/16 In.-18, Overall Length 6 ft, Tensile Strength 65,000 psi, System of Measurement Inch, Thread Direction Left Hand, Includes Nuts No, Manufacturer Location Globally Sourced, Minimum Yield Strength 57,000 psi, Number of Nuts Included 0, Rockwell Hardness B100 Max