** Please use the drop-down menu above to select the quantity of rings that you require**

9.0 mm inside diameter Incoloy (hard) metal rings. These C shaped rings are required to make elliptical rings, and can still be used on any other species taking F size.

• This product will only be sold and shipped to appropriately licensed BTO ringing-permit holders. 

C-permit holders: please ask for the rings to be issued in your Trainer's name or Ringing Group name and not your own. Please ask your Trainer to email [email protected] in order to authorise the order.