Attributes:LobsterPolishedSterling silverAppx Weight in Grams by Width/Length: (each item will vary slightly)4.5 mm width: 7 in = 3.9 gr, 8 in = 4.39 gr, 9 in = 4.89 gr, 16 in = 8.05 gr, 18 in = 9.12 gr, 20 in = 10.48 gr, 22 in = 11.61 gr, 24 in = 12.21 gr5.5 mm width: 7 in = 6.31 gr, 8 in = 7.22 gr, 9 in = 7.58 gr, 16 in = 13.49 gr, 18 in = 14.92 gr, 20 in = 16.55 gr, 22 in = 17.86 gr, 24 in = 19.65 gr7.5 mm width: 7 in = 8.62 gr, 8 in = 9.7 gr, 9 in = 10.54 gr, 16 in = 17.18 gr, 18 in = 19.95 gr, 20 in = 21.63 gr, 22 in = 23.29 gr, 24 in = 27.35 gr8.5 mm width: 7 in = 13.11 gr, 8 in = 14.69 gr, 9 in = 16.34 gr, 16 in = 29.33 gr, 18 in = 32.97 gr, 20 in = 35.4 gr, 22 in = 39.24 gr, 24 in = 42.51 gr9.5 mm width: 8 in = 18.01 gr, 9 in = 20.38 gr, 18 in = 40.27 gr, 20 in = 42.44 gr, 22 in = 49.47 gr, 24 in = 54.28 grOther Specs:Clasp / Connector: LobsterFinish: PolishedGender: Men'sManufacturing Process: CastedChain Type: FigaroMaterial: Sterling SilverPurity: 925