How big is a 14G piercing needle?

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How big is a 14G piercing needle?Nose Piercing Needle Size ChartPiercingStranded SizePriceTragus18G (1.0mm)$4-5$Eyebrow, Monroe, Tragus, Helix, Conch16G (1.2mm)$4-5$Tongue, Labret, Eyebrow, Industrial, Septum, and Nipple14G (1.6mm)$5Navel12G (2.0mm)$4-6$