Factory Supply Black Chain DIN766 Chain Linyi Shuguang Rigging Factory Base Info Model NO.:DIN766Usage:Drag ChainMaterial:IronSurface Treatment:ElectroplatingFeature:Oil ResistantChain Size:1,2"*3,32"Structure:Welded ChainColor:Silver,Black,Blue-White Description Pre:G30 Proof Coil Galvanized or Hot DIP Galvanized Chain Next:Bonnell Spring for Mattress (RH017)