Attributes:Appx Weight in Grams by Width/Length: (each item will vary slightly)1.25 mm width: 7in=0.63, 16in=1.34, 18in=1.49, 20in=1.67, 24in=1.961.75 mm width: 7in=1.26, 8in=1.41, 16in=2.43, 18in=2.49, 20in=3.04, 22in=2.99, 24in=3.5, 30in=4.322.2 mm width: 7in=1.52, 8in=1.63, 16in=3.14, 18in=3.44, 20in=3.75, 22in=4.1, 24in=4.24, 30in=5.412.75 mm width: 7in=1.7, 8in=1.99, 16in=3.7, 18in=4.1, 20in=4.57, 22in=5.04, 24in=5.42, 30in=6.653 mm width: 7in=2.18, 8in=2.41, 16in=4.43, 18in=5.17, 20in=5.72, 22in=6.22, 24in=6.66, 30in=8.064 mm width: 7in=3.05, 8in=3.55, 16in=6.76, 18in=7.23, 20in=8.03, 22in=8.43, 24in=9.36, 26in=10.494.5 mm width: 7in=4.33, 8in=4.88, 18in=10.24, 20in=11.32, 22in=12.59, 24in=13.28, 26in=14.915.5 mm width: 7in=5.21, 8in=5.88, 9in=6.7, 18in=13.02, 20in=14.26, 22in=15.31, 24in=16.58, 26in=18.46 mm width: 7in=6.92, 8in=7.38, 18in=15.66, 20in=18.3, 22in=19.67, 24in=21.2, 26in=23.916.75 mm width: 7in=8.31, 8in=9.43, 20in=22.83, 22in=25.43, 24in=28.17, 26in=30.727.5 mm width: 8in=12.38, 9in=14.15, 20in=30.94, 22in=33.02, 24in=36.29, 26in=38.48.75 mm width: 7in=15.26, 8in=17.55, 9in=18.8, 20in=40.58, 22in=40.18, 24in=49.95, 26in=55.8910 mm width: 8in=22.72, 9in=26.13, 22in=61.55, 24in=66.94, 26in=70.39Other Specs:Clasp / Connector: LobsterManufacturing Process: CastedManufacturing Process 2: Machine MadeChain Type: FigaroMaterial: GoldPurity: 10K