- Effortlessly modern, this oval link connector necklace is made for everyday layering. Plated in 14k gold over sterling silver with a sleek polished finish, the openable link lets you add charms or wear it solo—your stack, your way - Available in 16", 18" and 20" chains. Lock size: 23mm x 10mm. Thickness: 2.5mm. - Made of 14K gold plated sterling silver. - Hypoallergenic, nickel and lead free; Tarnish resistant