I bought this for my helix piercing but upon seeing it I knew it wouldn't fit. It is very small (4mm). You can learn more at the item description on the Musemond website: www.musemond.com/products/plain-clicker-ring-14k-gold A simple 18 gauge plain clicker ring handcrafted in solid 14K gold. This hinged clicker hoop can be worn alone or stacked together if you have multiple piercings. Ideal for cartilage, helix, tragus, rook, earlobe, and nostril piercings. Plain clicker ring is completely made from 14k solid gold and will not tarnish. perfect for everyday wear!