Attributes:14K White goldLobsterPolishedSolidAppx Weight in Grams by Width/Length: (each item will vary slightly)0.5 mm width: 16in=0.92, 18in=1.02, 20in=1.14, 22in=1.22, 24in=1.36, 26in=1.43, 28in=1.5, 30in=1.580.7 mm width: 16in=1.21, 18in=1.32, 20in=1.44, 22in=1.58, 24in=1.72, 26in=1.87, 28in=2.01, 30in=2.150.75 mm width: 16in=1.47, 18in=1.59, 20in=1.7, 22in=1.89, 24in=2.02, 26in=2.16, 28in=2.31, 30in=2.470.85 mm width: 7in=0.92, 16in=2.25, 16in=2.01, 18in=2.5, 18in=2.25, 20in=2.74, 20in=2.56, 22in=2.64, 24in=2.88, 26in=3.13, 28in=3.44, 30in=3.50.9 mm width: 7in=1.17, 9in=1.46, 22in=2.94, 24in=3.25, 26in=3.45, 28in=3.68, 30in=3.830.95 mm width: 7in=1.35, 8in=1.52, 9in=1.67, 16in=2.66, 18in=2.95, 20in=3.21, 22in=3.36, 24in=3.75, 26in=3.83, 28in=4.27, 30in=4.591 mm width: 16in=2.89, 18in=3.2, 20in=3.58, 22in=3.86, 24in=4.23, 26in=4.4, 28in=4.68, 30in=5.121.05 mm width: 16in=3.4, 18in=3.76, 20in=4.08, 22in=4.47, 24in=4.65, 26in=5.05, 28in=5.39, 30in=6.031.1 mm width: 16in=3.49, 18in=3.81, 20in=4.2, 22in=4.9, 24in=4.98, 26in=5.77, 28in=6.02, 30in=6.051.3 mm width: 16in=4.23, 18in=4.69, 20in=5.18, 22in=5.72, 24in=6.02, 26in=6.62, 28in=6.83, 30in=7.591.5 mm width: 16in=5.63, 18in=6.35, 20in=6.95, 22in=7.59, 24in=8.28, 26in=8.98, 28in=9.67, 30in=10.231.9 mm width: 7in=4.08, 16in=8.95, 18in=9.46, 20in=10.89, 22in=12.27, 24in=13.05, 26in=15.49, 28in=16.73, 30in=16.99Other Specs:Clasp / Connector: LobsterFinish: PolishedManufacturing Process: Machine MadeChain Type: BoxChain Type 2: PendantMaterial: GoldPurity: 14K