chain 1)size : 2mm to 25mm 2)surface:Zinc, H.D.G.,black ,stainless steel 3)packing: gunny,carton,on pallet 4)all standard Link chain:* Material: carbon steel, stainless steel* Suface: self color, black, electro galvanize, hot dip galvanize...* Packing: bags, cartons, reels, drums, palletUSA STANDARD DOUBLE CHAINITEM NO.DIAMETERINSIDE LENGTHOUTSIDE WIDTHWEIGHT PER 100FTMMMMMMKG51.623.3771.841.825. ...