... 2.Material: carbon steel 3.Surface:painted 4.Treatment: drop forged, cast CONNECTING LINKS1.Standards: Federal spec., US type, DIN type, European ... : hot dipped galvanized, electro galvanized, and self-colored4.Treatment: drop forged, cast 5.Packing:Carton, bag, pallet 6.Special specifications and ... you have any matters ,pls feel free to contact me Connecting link