... times.When loaddown, the chain could be freely move by manual.3)The length of chain could be designed or selected ... .5;3;4;5;6m are to be selected. ModelRated load(KN)Length of chainHSH-1.7575to be designedHSH-1.515to ... of model, for example, HSH-3-6, that means rated load is 30KN, the length of chain is 6m,chain unit ...