ï‚§ Herringbone Chain Necklace For A Gorgeous Slinky Layered Look ï‚§ Necklace Is 14.5" Long With 3" Extender Chain (17.5" Total Length) ï‚§ Chain Is 0.15" (4mm) Wide ï‚§ Made From Brass ï‚§ Plated 18k Gold ï‚§ Lobster Claw Clasp ï‚§ Necklace Is 100% Nickel-Free And Cadmium-Free