M12 Eye Nut T316 Stainless Steel (A4 marine Grade) D= M12 B = 53 mm W = 30 mm H = 54 MM Breaking Load - 4900 Kgs Please note that the above dimensions and ratings are as supplied to us. Measurements can vary on chandlery so please do ask if they are critical to you. We do not test the breaking loads. Please be aware that Safe Working Load and Working Load Limit will be no where near breaking load, and often a ratio of 4:1 is required. As usage can vary SWL it is the customers responsibility to ensure these are fit for purpose. DIN582