¡Ü Quenched and Tempered. ¡Ü Alloy bows, Alloy bolts. ¡Ü Forged Alloy Steel 30 thru 175 metric tons. Cast Alloy Steel 200 thru 400 metric tons. ¡Ü Working Load Limit is permanently shown on every shackle. ¡Ü All sizes are individually proof tested to 2.0 times the Working Load Limit. ¡Ü Pins are galvanized and painted red. ¡Ü All sizes are RFID EQUIPPED. ¡Ü Shackles are Quenched and Tempered and can meet DNV impact requirements of 42 joules at -20 C. ¡Ü Shackles 200 metric tons and larger are provided as follows. ¡Ü Serialized Pin and Bow ¡Ü Material Certification (Chemical) ¡Ü Magnetic Particle Inspected. ¡Ü Certification must be requested at time of order. ¡Ü Type Approval and certification in accordance with ABS 2006 Steel Vessel Rules 1-1-17.7, and ABS Guide for Certification of Cranes.