2-1/2in. i.d. This new polished steel bull ring is much stronger than brass. The special sharp cutting points pierce the nasal septum easily with no pre-incision. Screw and screwdriver combined. Break screwdriver off after insertion.
veterinary-supplies-large-animal-equine" width="100%" height="400" frameborder="0" marginheight="0" marginwidth="0">*}