What size needle is used to pierce ears?

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What size needle is used to pierce ears?Gauge SizeGAUGECOMMON PIERCINGS20G (0.81mm)Most earlobe piercings are made with a 20G needle, as are some nose piercings.18G (1.0mm)An 18G needle can be used for earlobe piercings, nose piercings, as well as some cartilage piercings (e.g. forward helix). 18G earrings are great for many healed cartilage piercings.