Titanium Seamless Ring‚Implant Grade Titanium (Ti6AL 4V ELI)‚Crescent Moon shaped ring‚Versatile jewelry can be worn as Captive Bead Ring, Cartilage Earring, & many more‚Tool might required to open and close‚Ring Thickness : 16GA | 1.2mm‚Ring Diameter (Horizontal) : 1/4" | 6mm‚Ring Diameter (Vertical) : 3/8" | 10mm‚Material : Titanium