Spherical Rod End System of Measurement Inch Bore Diameter 1/2 in Head Outside Diameter 1 1/4 in Head Width 0.453 in Shank Thread Length 1 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 Bore Diameter Tolerance +0.0015/-0.0005 in Housing Material Finish Chrome Plated Inner Ring Width 0.625 in Maximum Ball Swivel 20 Degrees