14k Gold Filled 20ga 8mm Closed Square Jump Rings 6pcs Style and Size : 8mm soldered closed square jump ring, 20 gauge wire. Materials : 14k gold filled Quantity : 6 pieces. Gold Filled: Gold filled is an actual layer of gold-pressure bonded to another metal. Gold filled is not to be confused with gold plating as filled literally has 100% more gold than gold plating. Gold filled is much more valuable and tarnish resistant. It does not flake off, rub off or turn colors. safe for people with sensitive skin.