Spherical Rod End System of Measurement Inch Bore Diameter 7/16 in Head Outside Diameter 1 1/8 in Head Width 0.406 in Shank Thread Length 1 3/8 in Shank Thread Size 7/16 In.-20 Housing Material Carbon Steel Shank Thread Direction Left Hand Application Light Duty Ball Diameter 0.812 in Ball Material Alloy Steel Ball Material Grade 52100 Bore Diameter Tolerance +0.0025/-0.0005 in Housing Material Finish Chrome Plated Inner Ring Width 0.562 in Maximum Ball Swivel 21 Degrees