Machinery Eye Bolt, System of Measurement Inch, Eyebolt Type With Shoulder, Material Steel, Finish Plain, Thread Size 1/4 In.-20, Thread Length 1 in, Shank Dia. 1/4 in, Shank Length 1 in, Shoulder Dia. 0.50 in to 0.56 in, Shoulder Length 5/32 in, Eye Inside Dia. 3/4 in, Eye Outside Dia. 1 3/16 in, Overall Length 2 7/32 in, Working Load Limit 500 lb