These 14 gauge ferido cz nipple barbells are made from either 316L stainless steel or high polish grade 23 titanium (Ti 6Al-4V ELI ASTM F136) with external threading. The 5mm paved balls have a thick, smooth and clear epoxy coating that keeps the gems from falling out. The handmade balls are very consistent in quality, but please don't expect perfect spheres. Choose your size, gem color and barbell material below.