Attributes:14K White goldLobsterPolishedSolidAppx Weight in Grams by Width/Length: (each item will vary slightly)2.25 mm width: 7 in = 1.72 gr, 8 in = 1.85 gr, 9 in = 2.1 gr, 10 in = 2.27 gr, 16 in = 3.27 gr, 18 in = 3.77 gr, 20 in = 4.12 gr, 24 in = 4.93 gr2.75 mm width: 9 in = 2.5 gr, 10 in = 2.79 gr, 16 in = 4.2 gr, 18 in = 4.66 gr, 20 in = 5.05 gr, 24 in = 5.98 gr3 mm width: 7 in = 2.76 gr, 8 in = 3.07 gr, 9 in = 3.56 gr, 10 in = 3.85 gr, 16 in = 5.61 gr, 18 in = 6.33 gr, 20 in = 7.17 gr, 22 in = 7.84 gr, 24 in = 8.55 gr, 26 in = 9.29 gr4 mm width: 7 in = 3.8 gr, 8 in = 4.28 gr, 16 in = 7.35 gr, 18 in = 9.04 gr, 20 in = 9.85 gr, 22 in = 10.52 gr, 24 in = 11.91 gr, 26 in = 12.93 gr4.5 mm width: 7 in = 5.39 gr, 8 in = 6.31 gr, 18 in = 12.84 gr, 20 in = 14.37 gr, 22 in = 15.78 gr, 24 in = 17.04 gr, 26 in = 18.84 gr5.5 mm width: 7 in = 6.71 gr, 8 in = 7.69 gr, 9 in = 8.6 gr, 18 in = 16.83 gr, 20 in = 18.48 gr, 22 in = 20.51 gr, 24 in = 22.21 gr, 26 in = 23.93 gr6 mm width: 7 in = 8.71 gr, 8 in = 9.33 gr, 9 in = 10.94 gr, 18 in = 20.56 gr, 20 in = 23.43 gr, 22 in = 24.61 gr, 24 in = 27.1 gr, 26 in = 29.79 gr7 mm width: 8 in = 11.88 gr, 20 in = 30.1 gr, 22 in = 32.18 gr, 24 in = 36.68 gr7.5 mm width: 8 in = 16.06 gr, 20 in = 39.64 gr, 22 in = 44.22 gr, 24 in = 46.32 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: CastedManufacturing Process 2: Machine MadeProfile Type: FlatChain Type: FigaroMaterial: GoldPurity: 14K