Double End Internal Threaded Stud Aluminum Finish Plain Thread Size 1/4-28 Overall Length 2 In Thread Length (A) 3/4 In Thread Length (B) 3/4 In Thread Length Type Equal Thread Type UNF Shank Type Hex Thread Direction Right/Left Class 2A Min Tensile Strength 35 000 PSI Rockwell Hardness B85-B95