Attributes:LobsterPolishedSolidSterling silverAppx Weight in Grams by Width/Length: (each item will vary slightly)3.2 mm width: 7 in = 2.96 gr, 8 in = 3.43 gr, 16 in = 6.39 gr, 18 in = 7.1 gr, 20 in = 8.03 gr, 22 in = 8.77 gr, 24 in = 9.69 gr4 mm width: 7 in = 4.85 gr, 8 in = 5.41 gr, 16 in = 10.57 gr, 18 in = 12.07 gr, 20 in = 13.28 gr, 22 in = 14.26 gr, 24 in = 15.74 gr4.5 mm width: 7 in = 5.75 gr, 8 in = 6.54 gr, 16 in = 12.9 gr, 18 in = 14.66 gr, 20 in = 15.89 gr, 22 in = 17.25 gr, 24 in = 18.82 gr6 mm width: 8 in = 9.61 gr, 16 in = 19.31 gr, 18 in = 21.81 gr, 20 in = 24.2 gr, 22 in = 26.99 gr, 24 in = 29.19 gr, 26 in = 31.46 gr6.3 mm width: 7 in = 8.52 gr7 mm width: 7 in = 11.42 gr, 8 in = 13.32 gr, 18 in = 29.95 gr, 20 in = 34.04 gr, 22 in = 39.19 gr, 24 in = 45.24 gr, 26 in = 45.92 gr8.5 mm width: 7 in = 16.66 gr, 8 in = 19.21 gr, 9 in = 21.68 gr, 18 in = 40.42 gr, 20 in = 47.12 gr, 22 in = 53.11 gr, 24 in = 58.25 gr, 26 in = 62.14 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: Machine MadeChain Type: CurbMaterial: Sterling SilverPurity: 925