Attributes:Appx Weight in Grams by Width/Length: (each item will vary slightly)2 mm width: 7 in = 2.3 gr, 16 in = 4.92 gr, 18 in = 5.48 gr, 20 in = 5.99 gr, 22 in = 6.68 gr, 24 in = 7.28 gr, 26 in = 7.8 gr3.5 mm width: 7 in = 4.69 gr, 18 in = 11.4 gr, 20 in = 13.5 gr, 22 in = 13.62 gr, 24 in = 15.42 gr, 26 in = 16.36 gr4.5 mm width: 8 in = 7.36 gr, 20 in = 18.02 gr, 22 in = 19.3 gr, 24 in = 21.99 gr, 26 in = 24.28 gr6 mm width: 8 in = 10.24 gr, 20 in = 24.85 gr, 22 in = 27.39 gr, 24 in = 29.72 gr, 26 in = 32.74 gr7 mm width: 8 in = 14.25 gr, 16 in = 28.37 gr, 18 in = 31.98 gr, 20 in = 37.06 gr, 22 in = 39.3 gr, 24 in = 43.15 gr, 26 in = 47.17 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: Machine MadeChain Type: CurbMaterial: Sterling SilverPurity: 925