Steel, carbon, fed qq-s-634, cpmposition 1040 to 1050, cadmium plated finish, 31-13/16 in. O/a lg, 0.749 in. Sq by 2-1/4 in. Lg 1st end, 1.060 in. Diameter by 2-13/16 in. Lg 2nd end, 1-1/4 in.Thk stud rh and lg thd 8-1/8 in. Lg ea along od from 2nd end, 1st end has 1 in. And 1.060 in. Diameter shoulders