This 14K real gold extender chain is crafted from solid 14K gold (58.5% purity), not plated or coated. It is nickel-free, lead-free, hypoallergenic, and highly polished with a shiny finish, making it ideal for sensitive skin. Each piece is stamped with 14K G14K AU585 for authenticity. The durable yet delicate chain is perfect for extending necklaces, bracelets, anklets, and more. Available in lengths from 0.5 to 5 inches, it features a secure lobster clasp for easy wear. Note that the extension chain is small but strong, sold separately. It is not suitable for very thick chains. Packaged in a protective jewelry box, it makes a great gift. Wear it year-round for a stylish touch.