Machinery Eye Bolt, System of Measurement Metric, Eyebolt Type With Shoulder, Material 304 Stainless Steel, Finish Plain, Thread Size M12-1.75, Thread Length 20.5 mm, Shank Dia. 12 mm, Shank Length 20.5 mm, Shoulder Dia. 30mm, Shoulder Length 10 mm, Eye Inside Dia. 30 mm, Eye Outside Dia. 54.0 mm, Overall Length 74.5 mm, Working Load Limit 339 lb