Titanium captive bead ring, 4 ga Home » Captive Bead Rings / CBR | Ear Piercing | Titanium | Large gauge | Male Piercing Gauge (Thickness): 4 (5.0mm)Ball size: 5/16" (8mm)Material: surgical grade solid titaniumType: captive bead ringShown: 16mm captive bead ring. Retail Price: $13.79Your Price: $ Diameter: 1/2" (13mm)only this diameter is availableQuantity: