Attributes:Appx Weight in Grams by Width/Length: (each item will vary slightly)1.85 mm width: 7 in = 0.95 gr, 9 in = 1.07 gr, 10 in = 1.14 gr, 16 in = 1.56 gr, 18 in = 1.68 gr, 20 in = 1.84 gr, 22 in = 2.02 gr, 24 in = 2.11 gr, 28 in = 2.47 gr2.5 mm width: 7 in = 1.13 gr, 9 in = 1.3 gr, 10 in = 1.42 gr, 16 in = 2.04 gr, 18 in = 2.22 gr, 20 in = 2.4 gr, 22 in = 2.67 gr, 24 in = 2.84 gr, 28 in = 3.28 gr2.85 mm width: 7 in = 1.31 gr, 9 in = 1.61 gr, 10 in = 1.7 gr, 16 in = 2.37 gr, 18 in = 2.61 gr, 20 in = 2.82 gr, 22 in = 3.11 gr, 24 in = 3.43 gr, 28 in = 4.16 gr3.35 mm width: 9 in = 2.01 gr, 10 in = 2.2 gr, 16 in = 3.25 gr, 18 in = 3.54 gr, 20 in = 3.85 gr, 22 in = 4.31 gr, 24 in = 4.52 gr, 28 in = 5.18 gr4.3 mm width: 16 in = 4.7 gr, 18 in = 5.34 gr, 20 in = 5.85 gr, 24 in = 6.85 gr5.25 mm width: 16 in = 6.9 gr, 18 in = 7.37 gr, 20 in = 8.31 gr, 24 in = 9.6 gr6.5 mm width: 18 in = 12.21 gr, 20 in = 13.59 gr, 24 in = 16.06 gr, 26 in = 17.03 gr7 mm width: 9 in = 7.27 gr, 18 in = 13.34 gr, 20 in = 15.32 gr, 24 in = 17.77 gr, 26 in = 19.81 gr8 mm width: 18 in = 20.99 gr, 20 in = 23.44 gr, 24 in = 28.98 gr, 26 in = 31.33 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: CastedManufacturing Process 2: Machine MadeChain Type: CurbMaterial: GoldPurity: 14K