Attributes:Appx Weight in Grams by Width/Length: (each item will vary slightly)1.2 mm width: 16 in = 1.7 gr, 18 in = 1.9 gr, 20 in = 2.03 gr, 24 in = 2.36 gr1.4 mm width: 16 in = 2.19 gr, 18 in = 2.41 gr, 20 in = 2.59 gr, 22 in = 2.83 gr, 24 in = 3.11 gr, 30 in = 3.84 gr1.6 mm width: 16 in = 2.75 gr, 18 in = 3.01 gr, 20 in = 3.31 gr, 22 in = 3.56 gr, 24 in = 4.03 gr, 30 in = 4.97 gr2 mm width: 16 in = 3.67 gr, 18 in = 4.17 gr, 20 in = 4.72 gr, 22 in = 4.9 gr, 24 in = 5.55 gr, 30 in = 6.5 gr2.4 mm width: 16 in = 5.42 gr, 18 in = 6.04 gr, 20 in = 6.63 gr, 22 in = 7.13 gr, 24 in = 7.9 gr, 30 in = 9.61 gr3.2 mm width: 16 in = 9.82 gr, 18 in = 10.85 gr, 20 in = 12.03 gr, 22 in = 12.88 gr, 24 in = 14.26 gr, 30 in = 17.57 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: CastedManufacturing Process 2: Machine MadeChain Type: CableMaterial: GoldPurity: 14K