Heavy Duty 12 Gauge Copper Jump Rings JSR12x Solid Copper Jewelry Findings Copper Ring 10-Pack

Our heavy duty copper jump rings have an inside diameter of 8mm and an outside diameter of approximately 12mm. With a wire thickness of over 2mm these super heavy weight 12 gauge copper rings hold up to our heaviest chain designs. 12 AWG Copper Jump Rings Inside Diameter: 8mm (5/16 of an inch) Outside Diameter: approximately 12mm Wire Thickness: 2mm (0.08 inches) 12 AWG Metal: solid red copper (nickel, cadmium, lead free) Country of origin: USA These copper finishing rings make an excellent choice for bold heavy weight chain designs and other copper jewelry projects.  Listing is for a package of 10 rings total. All of our finishing rings are made from pure, solid, raw, red copper.