Fully Threaded Rod Material Grade/Class Grade 2 Material Steel Finish Black Oxide Thread Size #4-40 Overall Length 3 ft Tensile Strength 60 000 psi System of Measurement Inch Thread Direction Right Hand Includes Nuts No Nut Width Not Applicable Color Black Material Quality Standards ASTM A108 Minimum Yield Strength 45 000 psi Number of Nuts Included 0 Rockwell Hardness Not Rated