Here is the rewritten description within 400 characters and formatted in paragraphs: This small but strong extension chain is crafted from solid 14k real gold, not plated. Nickel and lead free, it is hypoallergenic with a polished shine, ideal for sensitive skin and won't cause discoloration. Each piece is marked 14k G14K AU585. Designed to lengthen necklaces, bracelets, and anklets, this delicate yet durable extender features a lobster clasp for secure closure. It is not suitable for very thick chains. Review the style, length, and size chart carefully before ordering. Each chain is packed in protective jewelry packaging, ready for gifting.