¡Ü Capacities 1/3 thru 55 metric tons. ¡Ü Forged - Quenched and Tempered, with alloy pins. ¡Ü Working Load Limit permanently shown on every shackle. ¡Ü Hot Dip galvanized or Self Colored. ¡Ü Shackles 25t and larger are RFID EQUIPPED. ¡Ü Shackles can be furnished proof tested with certificates to designated standards, such as ABS, DNV, Lloyds, or other certification.