Material: Primary - Purity: 10KFinish: PolishedChain Type: BoxChain Width: 0.5 mmClasp /Connector: Spring RingClasp Width (Male end): 6 mmFeature: Nickel FreeManufacturing Process: Machine MadeMaterial: Primary: GoldWidth of Item: 0.5 mmProduct Type: JewelryJewelry Type: ChainsSold By Unit: EachNecklace Type: Chain StylesMaterial: Primary - Color: YellowFeature 2: SolidApproximate Weight: 16 - 0.86 grams18 - 0.94 grams20 - 1.02 grams