Attributes:LobsterPolishedSterling silverAppx Weight in Grams by Width/Length: (each item will vary slightly)1.1 mm width: 16 in = 0.93 gr, 18 in = 1.03 gr, 20 in = 1.15 gr, 24 in = 1.39 gr1.5 mm width: 16 in = 2.24 gr, 18 in = 2.48 gr, 20 in = 2.7 gr, 24 in = 3.35 gr, 30 in = 4.19 gr1.9 mm width: 16 in = 2.03 gr, 18 in = 2.25 gr, 20 in = 2.6 gr, 24 in = 3.12 gr, 30 in = 3.91 gr, 36 in = 4.69 gr2 mm width: 9 in = 1.46 gr, 10 in = 1.58 gr, 16 in = 2.64 gr, 18 in = 2.93 gr, 20 in = 3.29 gr, 24 in = 3.96 gr, 30 in = 4.95 gr, 36 in = 5.94 gr2.5 mm width: 16 in = 5.47 gr, 18 in = 6.11 gr, 20 in = 6.75 gr, 24 in = 8.01 gr, 30 in = 10 gr, 36 in = 12.01 gr3 mm width: 7 in = 2.88 gr, 8 in = 3.24 gr, 16 in = 5.92 gr, 18 in = 6.66 gr, 20 in = 7.27 gr, 24 in = 8.62 gr, 30 in = 10.76 gr, 36 in = 12.92 gr4 mm width: 7 in = 3.17 gr, 8 in = 3.54 gr, 16 in = 13.32 gr, 16 in = 7.27 gr, 18 in = 14.46 gr, 18 in = 8.17 gr, 20 in = 17.18 gr, 20 in = 9.23 gr, 24 in = 19.18 gr, 24 in = 11.59 gr, 30 in = 25.7 gr, 30 in = 14.49 gr, 36 in = 28.62 gr, 36 in = 17.39 gr4.75 mm width: 7 in = 8.27 gr, 8 in = 9.61 gr, 16 in = 19.05 gr, 18 in = 21.11 gr, 20 in = 23.54 gr, 24 in = 27.77 gr, 30 in = 34.66 gr, 36 in = 42.44 gr5 mm width: 16 in = 24.22 gr, 18 in = 26.75 gr, 20 in = 30.52 gr, 24 in = 37.23 gr, 30 in = 46.17 gr6.75 mm width: 7 in = 17.94 gr, 8 in = 19.23 gr, 16 in = 39.87 gr, 18 in = 44.79 gr, 20 in = 50.36 gr, 24 in = 54.17 grOther Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: Hand MadeChain Type: RoloMaterial: Sterling SilverPurity: 925