1. [ Diameter ]: Gauge: 16G(1.2mm); Length: 2/7"(7mm). The 6mm cartilage earring hoop is also small and suitable for thin piercings. 7mm is a nice choice for a small piercing. 2. [ 1PC Piercing Ring ]: Sold as a Single Piece, each item package includes 7mm Clicker Hoop × 1, Store Box × 1. 3. [ Suitable Location ]: Forward Helix, Helix, Tragus, Rook, Upper Lobe. 4. [Feature]: ASTM F136 titanium and certified by SGS, suitable for fresh or healing piercings, Hypoallergenic, and 100% nickel-free, 5A Cubic Zirconia. 5. [ Great Idea ]: FINE4U piercing Jewelry will be the new idea ideas for your friends and families on Anniversaries, Birthdays, Christmas, Valentine's Day, and Advent Calendar.