Plain Surgical Steel Externally threaded balls.
The balls are threaded to fit two different thickness; either a 1.2mm or 1.6mm. It will depend upon your current bar/hoop to which you will need. You must ensure you order the correct size.
For hygiene reasons, returns and exchanges are not accepted on any body jewellery. This does not affect your statutory rights.
Sizes:
1.2 x 2.5mm
1.2x 3mm  - This is a 'Standard' for a 1.2mm Bar
1.6 x 3mm
1.2 or 1.6 x 4mm
1.6 x 5mm - This is 'Standard' for a tongue, nipple and Belly bar (top ball)
1.6 x 6mm
1.6 x 8mm - Belly bar bottom ball