Finejewelers Sterling Silver Antiqued Oil Derrick Pendant Necklace Chain Included Finejewelers is a reputable American Family owned Business since 1955 and now based in New York, we use the highest quality workmanship and materials, and proudly stand behind all of our products. Metal: 925 Sterling Silver. Dimensions: Width: 12.00 mm Length: 23.00 mm 18 inch Chain in a matching metal will be included