... extension : 6cm Closure: lobster clasp Weight: 14.5g Plating: Thick silver ( no tarnishing and discoloration within 12 months ) Lead and nickel ... than 8mu, no low quality surface treatment. Plating choose: Thick silver, 14k gold, 18k gold, 24k gold, rhodium, brass, gun metal, champagne ... an enjoyable sourcing experience in Greenfirst Jewelry! heart infinity sign silver plated necklace jewellery