Black circular barbell with balls, 16 ga Home » Black Line / PVD | Circular Barbells | Ear Piercing | Nipple Rings & Shields | Nipple Piercing Shown: 12mm circular barbell with 5mm balls.Material: titanium coated (with PVD process) 316L steelGauge: 16Type: circular barbellDiameter: optionalBall size: optional Your Price: $ Diameter: ----- Choose One -----3/8" (10mm)7/16" (11mm)1/2" (12mm)1/2" (13mm)9/16" (14mm)5/8" (16mm) Ball size: ----- Choose One -----1/8" (3mm)5/32" (4mm)3/16" (5mm)1/4" (6mm)Quantity: