Precision Greasable Rod End, System of Measurement Inch, Ball Stud Center Length 2 1/8 in, Ball Stud Thread Length 1 1/8 in, Ball Stud Thread Size 1/2 In.-20, Bore Diameter 1/2 in, Head Outside Diameter 1 1/4 in, Head Width 0.5 in, Shank Thread Length...