Probably 19 gauge, which is 1.067 mm
1 mm = 4/100 inches
The nearest is 18 gauge, which is 1.02 mms
12 gauge is thicker than 14 gauge.
1/2 inch is 12.7mm
19 gauge steel is 1.11 mm thick and 20 gauge is .953 mm thick.
For wire gauge, 1.25 mm diameter wire is closest to 16 gauge (AWG). See related link.
In gauge measurements, 1.5 mm is approximately 16 gauge. Keep in mind that gauge measurements can vary slightly depending on the specific material or standard being used.
Indian Railways uses four gauges: 1. 1,676 mm (5 ft 6 in) Broad Gauge (BG), which is also called Indian gauge, 2. 1,000 mm (3 ft 3 3⁄8 in) metre gauge (MG), 3. 762 mm (2 ft 6 in) Narrow Gauge (NG), and 4. 610 mm (2 ft) Narrow Gauge. Source: - TravelKhana.com
.953 mm (USG)
10 gauge: 3.57 mm11 gauge: 3.18 mm
A little over 1".