6mm x 5mm Oval Cable Chain.  Sold By The Foot.

CH2600 This 6x5mm Oval Link Cable Chain is made from 22 gauge naturally hypo-allergenic brass wire. Cable chains, with simple round loops, make great extenders and are perfect for adding your favorite dainty charms or dangles to enhance your design. A large pendant in the center of your design will finish it off beautifully. Multiple lengths create the layered look.  Also, commonly used for a chain extender. This chain is electro-plated and Nickel Free. 

Chain - CH-2600 -6mm x 5mm Oval Cable Chain