Attributes:Appx Weight in Grams by Width/Length: (each item will vary slightly)1 mm width: 9 in = 1.31 gr, 10 in = 1.44 gr, 16 in = 2.06 gr, 18 in = 2.27 gr, 20 in = 2.48 gr, 24 in = 2.89 gr, 30 in = 3.53 gr1.25 mm width: 16 in = 2.81 gr, 18 in = 3.14 gr, 20 in = 3.4 gr, 24 in = 3.99 gr, 30 in = 4.71 gr1.65 mm width: 16 in = 4.77 gr, 18 in = 5.32 gr, 20 in = 5.74 gr, 24 in = 6.87 gr, 30 in = 8.59 gr2 mm width: 16 in = 6.99 gr, 18 in = 7.84 gr, 20 in = 8.65 gr, 24 in = 10.33 gr, 30 in = 12.79 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: ExtrudedManufacturing Process 2: Die StruckChain Type: Spiga (Wheat)Material: GoldPurity: 14K