3/8" GRADE 70 BINDER CHAINS W/ HOOKS U.S. Federal DOT regulations require the aggregate breaking strength (minimum ultimate strength) of the tiedown assemblies used to secure an article against movement in any direction to be at least 1-1/2 (1.5) times the weight of that article. Commercial Vehicle Safety Alliance (CVSA) guidelines state the aggregate static working load limit (WLL) of the tiedown assemblies used to secure an article against movement in any direction must be equal to at least 1/2 (.5) times the weight of that article. The information presented in Table VI is provided to assist in the proper application of binder chain assemblies.