Attributes:Appx Weight in Grams by Width/Length: (each item will vary slightly)2.5 mm width: 7 in = 0.98 gr, 10 in = 1.31 gr, 16 in = 1.87 gr, 18 in = 1.99 gr, 20 in = 2.22 gr, 24 in = 2.6 gr3.35 mm width: 7 in = 1.44 gr, 8 in = 1.66 gr, 16 in = 2.95 gr, 18 in = 3.22 gr, 20 in = 3.54 gr, 24 in = 4.16 gr4.3 mm width: 7 in = 2.12 gr, 8 in = 2.34 gr, 16 in = 4.23 gr, 18 in = 4.74 gr, 20 in = 5.2 gr, 22 in = 5.6 gr, 24 in = 6.16 gr, 26 in = 6.52 gr5.25 mm width: 7 in = 3.02 gr, 8 in = 3.33 gr, 16 in = 6.19 gr, 18 in = 6.71 gr, 20 in = 7.45 gr, 22 in = 8.02 gr, 24 in = 8.67 gr, 26 in = 9.73 gr6.5 mm width: 7 in = 4.71 gr, 8 in = 5.33 gr, 18 in = 10.85 gr, 20 in = 12.12 gr, 22 in = 12.86 gr, 24 in = 14.14 gr, 26 in = 14.8 gr7 mm width: 8 in = 5.72 gr, 9 in = 6.35 gr, 18 in = 11.9 gr, 20 in = 13.01 gr, 24 in = 15.7 gr, 26 in = 16.97 grOther Specs:Clasp / Connector: LobsterGender: Women'sManufacturing Process: CastedManufacturing Process 2: Machine MadeChain Type: CurbMaterial: GoldPurity: 10K