Rose Gold Barbell. This product is surgical steel coated in rose gold. 
You will need to know the thickness and length of your piercing to 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.
The thickness of the bar ranges from 1.2mm - 1.6mm.
The lengths range from 6mm - 16mm. If you would like a Rose gold scaffold/industrial bar, the length ranges between 30mm - 38mm.
A Barbell can be used in the following piercings ; depending upon thickness and length.
Helix/cartilage
Conch
Forward Helix
Industrial - This will be a 1.6mm unless you have shrunk the piercing down into two shorter bars/hoops
Lip
Nipple - The standard is a 1.6mm x 14mm - this can vary person to person 
Tongue - The standard is a 1.6mm x 14mm - this can vary person to person 
Septum
Smiley
Web