Our adjustable ball chains are handmade in 14k gold.  DETAILS 1.5mm chain width 18" chain has jump rings at 16", 17" and 18" 22" chain has jump rings at 20", 21" and 22" Last two images shows 1.5mm chain and 2.0mm chain for comparison Models are wearing 2.0mm chain Pair with our Pear Bezel Charm or Emerald Bezel Charm For lengths not listed here, contact custom@fiametta.com