Shackles Quenched and Tempered and can meet DNV impact requirements of 42 joules at -20 degrees CelsiusWorking Load Limit permanently shown on every shackleForged-Quenched and Tempered with alloy pinsCapacities 13 thru 55 metric tonsLook for the Red Pin the mark of genuine Crosby qualityShackles can be furnished proof tested with certificates to designated standards, such as ABS, DNV, Lloyds or other certification. Charges for proof testing and certification available when requested at the time of orderHot Dip Galvanized or Self-ColoredFatigue ratedScrew pin anchor shackles meet the performance requirements of Federal Specification RR-C-271D Type IVA, Grade A, Class 2, except for those provisions required of the contractor.