Attributes:10K Yellow goldBoxLobsterPolishedSolidAppx Weight in Grams by Width/Length: (each item will vary slightly)0.5 mm width: 16 in = 0.79 gr, 18 in = 0.89 gr, 20 in = 0.99 gr, 24 in = 1.15 gr, 24 in = 1.53 gr0.7 mm width: 16 in = 1.04 gr, 18 in = 1.19 gr, 20 in = 1.28 gr0.9 mm width: 7 in = 1.08 gr, 9 in = 1.31 gr, 16 in = 2.09 gr, 18 in = 2.27 gr, 20 in = 2.48 gr, 22 in = 2.72 gr, 24 in = 2.91 gr, 30 in = 3.55 gr1 mm width: 7 in = 1.31 gr, 16 in = 2.56 gr, 18 in = 2.88 gr, 20 in = 3.19 gr, 22 in = 3.44 gr, 24 in = 3.7 gr, 30 in = 4.65 gr1.1 mm width: 9 in = 1.88 gr, 16 in = 3.03 gr, 18 in = 3.62 gr, 20 in = 3.86 gr, 22 in = 4.2 gr, 24 in = 4.48 gr, 30 in = 5.26 gr1.3 mm width: 9 in = 2.26 gr, 16 in = 3.83 gr, 18 in = 4.16 gr, 20 in = 4.68 gr, 22 in = 5.09 gr, 24 in = 5.53 gr, 30 in = 6.83 gr1.5 mm width: 7 in = 2.29 gr, 9 in = 2.94 gr, 16 in = 4.9 gr, 18 in = 5.58 gr, 20 in = 6.02 gr, 24 in = 7.23 gr, 30 in = 9.41 gr1.9 mm width: 18 in = 9.09 gr, 20 in = 10.38 gr, 24 in = 11.99 gr, 30 in = 16.53 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: ExtrudedManufacturing Process 2: Die StruckChain Type: BoxMaterial: GoldPurity: 10K