3 New 14k Gold Filled Chain Connector Snap Bails. This is a new set of 3 14k gold filled chain connector snap bails. These are used to attach pendants to necklaces or bracelets. Jewelry that is gold filled has gold content equal to 1/20th or more of the total weight of the metal in the piece. Each measures approximately 10.5 x 4 mm (7/16" x 1/8").