Replacement Parts > Nipple Basics > 5/16" diameter (8mm)

Find everything you need—internal, external, threadless, barbells, balls, chains, charms—to refresh or repair your jewelry. Available in stainless steel, titanium, acrylic, gold, and more.

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8g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

8g Titanium Circular Barbell by Anatometal

AL-CRT808BB
5/16"-1"
from $26.60
each
10g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

10g Titanium Circular Barbell by Anatometal

AL-CRT1008BB
5/16"-1"
from $23.20
each
12g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

12g Titanium Circular Barbell by Anatometal

AL-CRT1208BB
5/16"-1"
from $20.96
each
14g Titanium Circular Barbell by Anatometal
00g Titanium Circular Barbell by Anatometal Internal Barbells 00g - 9/16" diameter (14.3mm) Barbell Only (no balls)

14g Titanium Circular Barbell by Anatometal

AL-CRT1408BB
5/16"-5/8"
from $18.90
each