44AWG (7 / 0.020) core wire OD = 0.15 shielded 19 / 0.03 outer cover OD0.27;
42AWG (7 / 0.025) core wire OD = 0.17 shielded 19 / 0.03 outer cover OD0.29;
42AWG (7 / 0.025) Core OD = 0.18 Shielded 19 / 0.03 Outer OD 0.31

Comparison table of ultra-thin coaxial wire diameters commonly used today
1. AWG # 40 ultra-thin coaxial wire, the diameter of the core wire is about 0.09mm
2. AWG # 36 ultra-thin coaxial line, the core diameter is about 0.15mm
3. AWG # 32 ultra-thin coaxial line, the core diameter is about 0.24mm
4. AWG # 32 Teflon wire, the diameter of the core wire is about 0.24mm
5. AWG # 32 electronic wire, the core wire diameter is about 0.24mm
6. AWG # 28 electronic wire, the core wire diameter is about 0.33mm
7. AWG # 42 ultra-thin coaxial wire, core wire diameter is about 0.075mm