1.Alloy steel, carbon steel. 2.Surface finish: drop forged, heat treated. 3.ISO9001 1)Material: alloy steel, carbon steel.2)Process: drop forged, heat treated.3)Standard: US type, European type, Din type, ect.4)Packing: Packed in cartons.5)Surface finish: self color, H.D.G, galvanized. clevis lifting slip hook
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