Skip opal titanium nipple barbell - threadless images slider SKU: Opal Titanium Nipple Barbell - Threadless Sign-up to see price This 14g, 9/16" titanium barbell features two synthetic, prong-set opals on each end. Opal color options include blue and white. Product Details: Material: Titanium 6AI-4V-Eli ASTM F-136 Gauge: 14g (~1.6mm) Length: ~9/16" (14mm) Threadless style Opal Size: 5mm 13 anodized color options