Attributes:Appx Weight in Grams by Width/Length: (each item will vary slightly)0.9 mm width: 16 in = 1.15 gr, 18 in = 1.25 gr, 20 in = 1.33 gr, 24 in = 1.56 gr1 mm width: 16 in = 1.57 gr, 18 in = 1.76 gr, 20 in = 1.89 gr, 24 in = 2.21 gr, 30 in = 2.67 gr1.5 mm width: 9 in = 1.4 gr, 10 in = 1.55 gr, 16 in = 2.28 gr, 18 in = 2.49 gr, 20 in = 2.72 gr, 24 in = 3.22 gr, 30 in = 3.93 gr2 mm width: 9 in = 2.23 gr, 10 in = 2.45 gr, 16 in = 3.75 gr, 18 in = 4.2 gr, 20 in = 4.6 gr, 24 in = 5.41 grOther Specs:Clasp / Connector: LobsterManufacturing Process: Die StruckManufacturing Process 2: ExtrudedChain Type: CableMaterial: GoldPurity: 10K
