... content under 100ppm requirements,Chains are made in plated Nickel, Gold, Silver, Copper, Gun metal & Onyx finishes,All types ... , Brass Copper, Gun Metal - Black Nickel (Onyx),Plating: 18K & 22K Gold plating also available,Packing: 100Meter roll, 50 Meter roll, 25 ... , Brass Copper, Gun Metal - Black Nickel (Onyx),Plating: 18K & 22K Gold plating also available,Packing: 100Meter roll, 50 Meter roll, 25 ...