Shackle 1.Excellent qulaity,provide test report 2.Prompty delivery,satisfied service 3.Breaking strength is 6 times of W.LL Shackle1,Name:shackle2,For the similar shackle,what can we do? (1),Ability for the material of this kind of shackle:Grade100,80,70,43,etcCarbon steelGr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015,1016,1020,1045,etcAlloy steel4130,4140,G51150,etcStainless steel201,202,301,302,303,304, ...