Machinery Eye Bolt, System of Measurement Inch, Eyebolt Type Without Shoulder, Material Steel, Finish Hot Dipped Galvanized, Thread Size 5/16 In.-18, Thread Length 2 1/2 in, Shank Dia. 5/16 in, Shank Length 4 1/4 in, Shoulder Length -, Eye Inside Dia. 5/8 in, Eye Outside Dia. 1 1/4 in, Overall Length 5 17/32 in, Length from Ream Center -, Working Load Limit 800 lb, Includes Nut