Description The Men's Black Plated Upgraded Rope Chains are available in three different lengths and are a diamond cut rope chain. The chain is made of sterling silver and has a black ruthenium plating. Each Men's Black Plated Upgraded Rope Chains measures 2.3mm in thickness. Size: 20", 24", 28" Material: .925 Sterling Silver with Black Ruthenium Plating Product Code: 117b