Attributes:LobsterPolishedSolidSterling silverAppx Weight in Grams by Width/Length: (each item will vary slightly)0.95 mm width: 16 in = 1.66 gr, 18 in = 1.85 gr, 20 in = 2.06 gr, 24 in = 2.51 gr1 mm width: 16 in = 3 gr, 18 in = 3.38 gr, 20 in = 3.74 gr, 24 in = 4.43 gr1.25 mm width: 16 in = 4.03 gr, 18 in = 4.54 gr, 20 in = 5.18 gr, 24 in = 6.06 gr1.75 mm width: 16 in = 6.97 gr, 18 in = 7.84 gr, 20 in = 8.61 gr, 24 in = 10.27 grOther Specs:Clasp / Connector: LobsterFinish: PolishedItem Weight U/M: gmManufacturing Process: CastedProfile Type: RoundChain Type: FrancoMaterial: Sterling SilverPurity: 925