Attributes:10K White goldBoxLobsterPolishedSolidAppx Weight in Grams by Width/Length: (each item will vary slightly)0.5 mm width: 16 in = 0.81 gr, 18 in = 0.92 gr, 20 in = 1 gr, 24 in = 1.17 gr0.7 mm width: 16 in = 1.05 gr, 18 in = 1.13 gr, 20 in = 1.26 gr, 22 in = 1.37 gr, 24 in = 1.44 gr0.9 mm width: 7 in = 1.04 gr, 9 in = 1.26 gr, 16 in = 2.05 gr, 18 in = 2.27 gr, 20 in = 2.52 gr, 22 in = 2.67 gr, 24 in = 2.92 gr, 30 in = 3.49 gr1 mm width: 16 in = 2.54 gr, 18 in = 2.93 gr, 20 in = 3.09 gr, 22 in = 3.46 gr, 24 in = 3.71 gr, 30 in = 4.47 gr1.1 mm width: 16 in = 3.05 gr, 18 in = 3.46 gr, 20 in = 3.99 gr, 24 in = 4.43 gr, 30 in = 5.62 gr1.3 mm width: 16 in = 3.82 gr, 18 in = 4.17 gr, 20 in = 4.68 gr, 24 in = 5.51 gr, 30 in = 6.72 grOther Specs:Clasp / Connector: LobsterManufacturing Process: ExtrudedManufacturing Process 2: Die StruckChain Type: BoxChain Type 2: PendantMaterial: GoldPurity: 10K