Double-End Threaded Rod, End Type Straight , Material Steel, Material Grade/Class Grade 5, Finish Black Oxide, Wrench Flats No, Overall Length 12 in, System of Measurement Inch, Thread Length A 3 in, Thread Length B 3/4 in, Thread Size A 1/2 In.-13, Thread Size B 1/2 In.-13, Thread Direction A Right Hand, Thread Direction B Right Hand, Color Black, Minimum Yield Strength 120,000 psi, Rockwell Hardness C27 Min, Package Quantity 2