... articles, nuclear reactor and so on.The structure of Ratchet Tie Down is various; we can design ... and application should be based on the result of the test, overload is strictly prohibited. 2 ... .3, No crossover, torsion, knotting and twisting of Ratchet Tie Down when working. Stop fastening if ... with the first fastening, you can loosen the spring of Ratchet Tie Down for further fastening until satisfied ...