Our 1-1/4? x 820 ft. composite polyester strapping’s break strength is 3,300 lb. This AAR strapping comes in a set of 2 per case and 72 coils/pallet. This product is independently certified for tensile strength by the Association of American Railroads. For superior system strength, only use USA Strapping’s 32MMHDGALV Galvanized Certified Wire Buckles.