DESCRIPTION
4-40 Thread, 5/16 Inch Thread Length, 5/32 Inch Ball Diameter, Flat Ball Pad Surface, Alloy Steel, Black Oxide, Base, Swivel Action Gripper Assemblies 3/8 Inch Diameter, 5/16 Inch Deep Thread, 5/32 Inch Contact Diameter, 1/2 Inch Overall Height, H