Internally threaded circular babell, 4 ga Home » 316L Stainless Steel | Circular Barbells | Ear piercing | Internally Threaded Jewelry | Large gauge | Male piercing Shown: 13mm circular barbell.Material: 316L surgical stainless steel, implant gradeGauge: 4 Type: circular barbellDiameter: optionalBall size: 5/16" (8mm) Retail Price: $9.17Your Price: $ Diameter/ball size: ----- Choose One -----5/8" (16mm) with 3/8" (10mm) ball(s)3/4" (19mm) with 3/8" (10mm) ball(s)7/8" (22mm) with 3/8" (10mm) ball(s)Quantity: