Hinged segment ring made fromASTM F-136 titanium with amulti-layered, beadeddesign along the bottom a row of triangle beads lining the very bottom. Size is 16Gwith an inner diameter size of either 5/16" (8mm) or 3/8" (10mm). The hinged design makes this piece easy toput in and take out.Nice piece for cartilage orseptum piercings! Sold individually (1pc).