Hook,Rigging Hardware 1) Standard: European type, US ,DIN type 2) Grade: G100, G80, G70, G43 3) Materials: Alloy steel etc. Hook,Rigging Hardware1,Name:rigging hardware,hooks2,For the similar rigging hardware,what can we do? (1),Ability for the material of this kind of hook:Grade100,80,70,43,etcCarbon steelGr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015,1016,1020,1045,etcAlloy steel4130,4140,G51150, ...