18 gauge ~ 1.0mm > 5/16" diameter (8mm) > External Thread

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18g Spiked Stainless Circular Barbell
20g Spiked Stainless Circular Barbell Circular Barbells 20g - 5/16" diameter (8mm) - 3x3mm cones Stainless Steel

18g Spiked Stainless Circular Barbell

CRSC-1806
1/4"-3/8"
$3.98
each
18g Gold Circular Barbell
20g Gold Circular Barbell Circular Barbells 20g - 5/16" diameter (8mm) - 3mm balls Gold Stainless

18g Gold Circular Barbell

CRP-18063
1/4"-3/8"
$4.98
each
18g Spiked Black Circular Barbell
20g Spiked Black Circular Barbell Circular Barbells 20g - 5/16" diameter (8mm) - 3x3mm cones Black Stainless

18g Spiked Black Circular Barbell

CRBC-18063
1/4"-3/8"
$4.98
each
18g PVD Coated Circular Barbell
Sale
18g PVD Coated Circular Barbell Circular Barbells 18g - 5/16" diameter (8mm) - 3mm balls Blue Stainless

18g PVD Coated Circular Barbell

CRA-1808-DB
5/16"-3/8"
$4.98
from $2.49
each
18g Black Circular Barbell
20g Black Circular Barbell Circular Barbells 20g - 5/16" diameter (8mm) - 3mm balls Black Stainless

18g Black Circular Barbell

CRB-18063
1/4"-3/8"
$4.98
each
18g Stainless Spiral Barbell
18g Stainless Spiral Barbell Spiral Barbells 18g - 1/4" diameter (6mm) - 3mm balls Stainless Steel

18g Stainless Spiral Barbell

SPS-18063
1/4"-3/8"
$4.98
each
18g Rose Gold Circular Barbell
18g Rose Gold Circular Barbell Circular Barbells 18g - 5/16" diameter (8mm) - 3mm balls Rose Gold Stainless

18g Rose Gold Circular Barbell

CRPR-18083
5/16"-3/8"
$6.98
each
18g Titanium Circular Barbell
18g Titanium Circular Barbell Circular Barbells 18g - 1/4" diameter (6mm) - 3mm balls High Polish (silver)

18g Titanium Circular Barbell

CRT-18063
1/4"-3/8"
$6.98
each
18g Spiked Titanium Circular Barbell
18g Spiked Titanium Circular Barbell Circular Barbells 18g - 1/4" diameter (6mm) - 3x3mm cones High Polish (silver)

18g Spiked Titanium Circular Barbell

CRTC-18063
1/4"-3/8"
$7.98
each
18g Spiked Gold Circular Barbell
20g Spiked Gold Circular Barbell Circular Barbells 20g - 5/16" diameter (8mm) - 3x3mm cones Gold Stainless

18g Spiked Gold Circular Barbell

CRPC-18063
1/4"-3/8"
$4.98
each
18g Rose 14k Gold Spiral Barbell
18g Rose 14k Gold Spiral Barbell Spiral Barbells 18g - 1/4" diameter - 3mm balls Rose 14k Gold

18g Rose 14k Gold Spiral Barbell

SP14K-18063-R
1/4"-5/16"
from $69.98
each
18g CZ Stainless Circular Barbell
18g CZ Stainless Circular Barbell Circular Barbells 18g - 5/16" diameter (8mm) - 3mm balls Aqua CZ

18g CZ Stainless Circular Barbell

CRSSX-1808-AQ
5/16"-3/8"
 12 gem colors
$5.98
each
18g Ferido CZ Circular Barbell
18g Ferido CZ Circular Barbell Circular Barbells 18g - 5/16" diameter (8mm) Clear Ferido

18g Ferido CZ Circular Barbell

CRSFD-1808-CR
5/16"-3/8"
$11.98
each