Gauge Sizes range between 20g to 00g in size charts, with 20g remaining the smallest gauge size, and 00g getting the largest size inside the Gauge Size Scale. Locations for piercings besides the earlobe include things like the rook, tragus, and across the helix (see impression while in the infobox). https://bookmarkcolumn.com/story18488354/earring-container-an-overview