Spherical Rod End System of Measurement Inch Ball Stud Center Length 2 1/2 in Ball Stud Thread Length 1 3/8 in Ball Stud Thread Size 5/8 In.-18 Bore Diameter 5/8 in Head Outside Diameter 1 1/2 in Head Width 0.484 in Shank Thread Length 1 3/8 in Shank Thread Size 5/8 In.-18 Housing Material Stainless Steel Shank Thread Direction Left Hand Application Light Duty Ball Diameter 1.125 in Ball Material Stainless Steel Ball Material Grade 440C Ball Stud Material Stainless Steel