Internal
!

Internal threaded barbell 12g - 2mm
iBB-12
!
6mm beads

Internal threaded barbell 14g - 1.6mm
iBB-14
!
iBB-14
5mm beads

Internal jewel barbell 14g - 1.6mm
iBBX-14
!
iBBX-14
5mm beads