Internally Threaded Circular Barbell, 2 Ga Home » Circular Barbells | Ear Piercing | Internally Threaded Jewelry | Large gauge | Male Piercing | Stainless Steel Gauge (Thickness): 2 (6.5mm)Ball size: 3/8" (10mm)Material: 316L surgical grade stainless steel Type: circular barbellThreading Type: Internally ThreadedShown: 16mm circular barbell with 10mm balls. Retail Price: $12.06Your Price: $ Diameter: ----- Choose One -----1/2" (13mm)7/8" (22mm)Quantity: