Eye Bolt Eye Inside Diameter 1 3/8 in Eye Outside Diameter 2 1/2 in Eye Thickness 5/8 in Black Oxide Steel Material Grade/Class Class 4.6 Hole Center-to-End Length 6 3/8 in Shank Diameter 5/8 in Thread Style Partially Threaded UNC Thread Direction Right Hand Thread Length 2 1/2 in Thread Size 5/8 In.-11 Shank Length 2 1/2 in Externally Threaded Shoulder Style Without Shoulder System of Measurement Inch Rod End Overall Length 5 5/16 in Screw Size 5/8 in Pack Size Small Pack