Material: 1/20 14K Gold FilledGauge: 20.5 gauge (0.76mm thickness)Diameter: from 3mm ,3.5mm ,4mm, 5mm, 6mm, and 8mm(outside diameter)
Origin: USA
Gauge to mm Conversion Chart (approx.):0.3mm = 28 gauge0.4mm = 26 gauge0.5mm = 24 gauge
0.6mm = 22 gauge0.7mm = 21 gauge0.8mm = 20 gauge0.9mm = 19 gauge1.0mm = 18 gaugeNote:Pictures show the shape of the item, for actual size please see the measurement.