NeoMetal Titanium Threadless fixed side set Cz ball Curved Barbell. The 16ga shaft-only curved titanium side-gem titanium barbells have one attached 2.5mm faceted gem, bezel-set into a 3mm ball end. The other open end can be paired with any of our threadless ends. The 18ga shaft-only curved side-gem barbells have one attached 2.0mm faceted gem, bezel-set into a 2.5mm ball end. The other open end can be paired with any of our threadless ends. Manufactured in the USA Titanium ends are machined with a counterbore ensuring a seamless aesthetic, maximizing comfort and minimizing bacterial growth Titanium pieces can be anodized Implant grade Titanium: ISO 9001:2015, ASTFM F-136, and DFARS compliant. NeoMetal products are covered against manufacturer defects. Learn more about our Limited Lifetime Warranty. Body Jewelry Curve only