aluminum folding ladder with EN131 150KGS maxload 1.2mm ... received the deposit.Big hinge aluminium multi-purpose ladder(YND-L603DB,YND-L603EB),SERIES Model:YND- ... L603DExtention Length(mm):3460A step ladder height:1710mmScaffold Height:925 mmNumber of rungs: ... ladder can be used as straight ladder,"A" step ladder, scaffold and so on,Very easy to storage aluminum folding ladder ...