... 100ppm requirements,Chains are made in plated Nickel, Gold, Silver, Copper, Gun metal & Onyx finishes,All types of chains available with ... cups per meter as required,Plating: Nickel, Gold, Silver, Copper, Brass Copper, Gun Metal - Black Nickel (Onyx),Plating: 18K & 22K ... 100ppm requirements,Chains are made in plated Nickel, Gold, Silver, Copper, Gun metal & Onyx finishes,All types of chains available ...