Spherical Rod End System of Measurement Inch Ball Stud Center Length 2 in Ball Stud Thread Length 1 in Ball Stud Thread Size 1/2 In.-20 Bore Diameter 1/2 in Head Outside Diameter 1 1/4 in Head Width 0.453 in Shank Thread Length 1 1/2 in Shank Thread Size 1/2 In.-20 Housing Material Stainless Steel Shank Thread Direction Right Hand Application Light Duty Ball Diameter 0.937 in Ball Material Stainless Steel Ball Material Grade 440C Ball Stud Material Stainless Steel