Attributes:Appx Weight in Grams by Width/Length: (each item will vary slightly)1.2 mm width: 16 in = 1.73 gr, 18 in = 1.92 gr, 20 in = 2.1 gr, 24 in = 2.47 gr1.4 mm width: 16 in = 2.24 gr, 18 in = 2.46 gr, 20 in = 2.7 gr, 22 in = 2.85 gr, 24 in = 3.16 gr, 30 in = 3.75 gr1.6 mm width: 16 in = 2.73 gr, 18 in = 3.02 gr, 20 in = 3.33 gr, 22 in = 3.63 gr, 24 in = 3.94 gr, 30 in = 4.9 gr2 mm width: 16 in = 3.74 gr, 18 in = 4.28 gr, 20 in = 4.61 gr, 22 in = 5.13 gr, 24 in = 5.65 gr, 30 in = 6.53 gr2.4 mm width: 16 in = 5.43 gr, 18 in = 6.2 gr, 20 in = 6.68 gr, 22 in = 7.26 gr, 24 in = 7.99 gr, 30 in = 9.77 gr3.2 mm width: 16 in = 10.08 gr, 18 in = 11.08 gr, 20 in = 12.47 gr, 22 in = 14.02 gr, 24 in = 14.49 gr, 30 in = 18.56 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: ExtrudedManufacturing Process 2: Die StruckProfile Type: RoundChain Type: CableMaterial: GoldPurity: 14K