This diamond-cut mariner link chain is 30 inches long and 5.50mm wide.
04 g) 5.50mm 30 Inch Diamond Cut Mariner Link Chain Necklace by SuperJeweler 14K Yellow Gold (15.- Lifetime Guarantee - 60 Day Worry-Free Return - 14K Yellow Gold (15.50mm 30 Inch Diamond Cut Mariner Link Chain Necklace by SuperJeweler It has a secure, lobster-claw clasp and is in 14 karat yellow gold.