Double End Threaded Stud, Steel, Finish Black Oxide, Thread Size 5/16-18, Overall Length 4 In., Thread Length (A) 1-1/8 In., Thread Length (B) 1-1/8 In., Thread Length Type Equal, Thread Type UNC, Shank Type Round, Thread Direction Right Hand, Class 2A, Min. Tensile Strength (PSI) 125, 000, Rockwell Hardness C27, Package Quantity 2. This item has been restricted from sale in the following state (s): []