Au-ve-co Flat Top Ball Joint Assembly, 1-9/16 in Overall Length, 1/2 in Overall Diameter, Low Carbon Steel, Dichromate, Additional Information: 11/16 in Length Stud, 5/32 in Width Stud Hex, 5/16-24 RH Screw Size, 19/32 in Length Internal Thread, 7/16 in Across Flats, 7/16 in Width Wrench, 17/32 in Ball Center to Base of Hex, 1-1/8 in Ball Center to Housing End, 1/4 in Ball Length Stud Neck Diameter