Titanium captive bead ring, 4 ga Home » Captive Bead Rings | Ear Piercing | Large gauge | Male piercing | Titanium Ball size: 5/16" (8mm)Gauge (Thickness): 4 (5.0mm)Type: captive bead ringMaterial: surgical grade solid titaniumShown: 16mm captive bead ring. Retail Price: $14.39Your Price: $ Diameter: 1/2" (13mm)only this diameter is availableQuantity: