Attributes:BoxLobsterPolishedSterling silverAppx Weight in Grams by Width/Length: (each item will vary slightly)2.6 mm width: 18 in = 14.02 gr, 20 in = 15.99 gr, 22 in = 17.2 gr, 24 in = 18.98 gr, 26 in = 20.72 gr, 30 in = 22.57 gr, 36 in = 27.9 gr3.6 mm width: 18 in = 26.4 gr, 20 in = 32.52 gr, 22 in = 36.04 gr, 24 in = 35.5 gr, 26 in = 41.39 gr, 30 in = 44.4 gr, 36 in = 53.34 gr5.2 mm width: 8.5 in = 23.29 gr, 18 in = 49.4 gr, 20 in = 55.61 gr, 22 in = 61.99 gr, 24 in = 70 gr, 26 in = 76.44 gr, 30 in = 85.33 grOther Specs:Clasp / Connector: Box CatchFinish: PolishedManufacturing Process: Machine MadeChain Type: BoxMaterial: Sterling SilverPurity: 925