5/8" diameter (16mm)

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10g Titanium Circular Barbell (internal)
10g Titanium Circular Barbell (internal) Circular Barbells 10g - 5/16" diameter (8mm) - 5mm balls High Polish (silver)

10g Titanium Circular Barbell (internal)

5/16"-7/8"
Price
$13.98
each
8g Titanium Circular Barbell (internal)
8g Titanium Circular Barbell (internal) Circular Barbells 8g - 3/8" diameter (10mm) - 5mm balls High Polish (silver)

8g Titanium Circular Barbell (internal)

3/8"-15/16"
Price
$15.98
each
12g Titanium Circular Barbell (internal)
12g Titanium Circular Barbell (internal) Circular Barbells 12g - 5/16" diameter (8mm) - 4mm balls High Polish (silver)

12g Titanium Circular Barbell (internal)

5/16"-5/8"
Price
$9.98
each
6g Titanium Circular Barbell (internal)
6g Titanium Circular Barbell (internal) Circular Barbells 6g - 15/32" diameter (12mm) - 8mm balls High Polish (silver)

6g Titanium Circular Barbell (internal)

1/2"-7/8"
Price
$21.98
each
6g Stainless Circular Barbell (internal)
6g Stainless Circular Barbell (internal) Circular Barbells 6g - 3/8" diameter (10mm) - 6mm balls Stainless Steel

6g Stainless Circular Barbell (internal)

3/8"-1"
Price
$8.98
each
8g Stainless Circular Barbell (internal)
8g Stainless Circular Barbell (internal) Circular Barbells 8g - 3/8" diameter (10mm) - 6mm balls Stainless Steel

8g Stainless Circular Barbell (internal)

3/8"-1"
Price
$7.98
each
4g Titanium Circular Barbell (internal)
4g Titanium Circular Barbell (internal) Circular Barbells 4g - 15/32" diameter (12mm) - 8mm balls High Polish (silver)

4g Titanium Circular Barbell (internal)

15/32"-15/16"
Price
$28.98
each
8g Black Circular Barbell (internal)
8g Black Circular Barbell (internal) Circular Barbells 8g - 3/8" diameter (10mm) - 6mm balls Black

8g Black Circular Barbell (internal)

3/8"-5/8"
Price
$8.98
each
10g Stainless Circular Barbell (internal)
10g Stainless Circular Barbell (internal) Circular Barbells 10g - 5/16" diameter (8mm) - 4mm balls Stainless Steel

10g Stainless Circular Barbell (internal)

5/16"-5/8"
Price
$6.98
each
4g Stainless Circular Barbell (internal)
4g Stainless Circular Barbell (internal) Circular Barbells 4g - 15/32" diameter (12mm) - 8mm balls Stainless Steel

4g Stainless Circular Barbell (internal)

15/32"-1"
Price
$11.98
each
2g Stainless Circular Barbell (internal)
2g Stainless Circular Barbell (internal) Circular Barbells 2g - 15/32" diameter (12mm) - 10mm balls Stainless Steel

2g Stainless Circular Barbell (internal)

15/32"-1"
Price
$12.98
each
6g Black Circular Barbell (internal)
6g Black Circular Barbell (internal) Circular Barbells 6g - 15/32" diameter (12mm) - 8mm balls Black

6g Black Circular Barbell (internal)

1/2"-7/8"
Price
$9.98
each
0g Stainless Circular Barbell (internal)
0g Stainless Circular Barbell (internal) Circular Barbells 0g - 15/32" diameter (12mm) - 10mm balls Stainless Steel

0g Stainless Circular Barbell (internal)

15/32"-3/4"
Price
$13.98
each
4g Black Circular Barbell (internal)
4g Black Circular Barbell (internal) Circular Barbells 4g - 1/2" diameter (13mm) - 8mm balls Black

4g Black Circular Barbell (internal)

1/2"-3/4"
Price
$12.98
each
2g Black Circular Barbell (internal)
2g Black Circular Barbell (internal) Circular Barbells 2g - 15/32" diameter (12mm) - 8mm balls Black

2g Black Circular Barbell (internal)

15/32"-3/4"
Price
$13.98
each
0g Black Circular Barbell (internal)
0g Black Circular Barbell (internal) Circular Barbells 0g - 1/2" diameter (13mm) - 12mm balls Black

0g Black Circular Barbell (internal)

1/2"-3/4"
Price
$15.98
each