14Kt Rose Gold Filled 18ga Eye 9x4.25mm. These versatile 14Kt rose gold filled Figure 8/Eye open jump rings can be used with matching hooks for a simple, easy clasp. They are also great for jewelry connectors and foundations for wire wrapped components or chains. The Eye consists of a sturdy core of jeweler's brass with a 14Kt rose gold fill outer layer, for the look of rose gold without the cost of solid gold stock. Each S-shaped eye has two open loops with 2mm inner diameter. Wire Thickness: 18 ga / 1mm / .40" Length: 9mm Width: 4.25mm