14k Gold Filled Circle Ball End Ear Wires 6pcs Style and Size : circle ball end ear wire: loop to top: 14mm, tip to top: 10mm: 21gauge wire Materials : 14k gold filled (14kGF stamped) Quantity : 6pcs 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.