Internally threaded circular barbell, 8 ga

Shown: 13mm circular barbell. Material: 316L surgical stainless steel, implant grade Gauge: 8 Type: circular barbell Diameter/ball size: optional Retail Price: $10.34 Your Price: $ Diameter/ball size: ----- Choose One -----1/2" (13mm) with 1/4" (6mm) ball(s)1/2" (13mm) with 5/16" (8mm) ball(s)5/8" (16mm) with 5/16" (8mm) ball(s)3/4" (19mm) with 5/16" (8mm) ball(s) Quantity: