... is alloy steel.Technology: forged, Quenched & TemperedFinish: electro galvanized and hot dipped galvanized are both available.MBS=6*WLLSize: 3/16"-3 ... CHINA, CE, etcProducts picture MaterialCarbon Steel, Alloy SteelTechnologyForgedFinishHot Dipped Galvanized, Electro Galvanized, Color PaintedWLL0.33T-55TProof load2.2 times WLLMBS6 times WLLBrand ...