Eye Bolt Eye Inside Diameter 1/2 in Eye Outside Diameter 1 in Eye Thickness 1/4 in Hot Dipped Galvanized Steel Hole Center-to-End Length 3 1/2 in Shank Diameter 1/4 in Thread Style Partially Threaded UNC Thread Direction Right Hand Thread Length 1 1/2 in Thread Size 1/4 In.-20 Shank Length 2 in Externally Threaded Shoulder Style Without Shoulder System of Measurement Inch Rod End Overall Length 3 in Screw Size 1/4 in Pack Size Small Pack