Nickel Plated Unwelded 12mm O Ring with a 2.0mm thickness.
Nickel Plated 12 mm O Rings sold in Sets of 6
Nickel Plated Unwelded 12mm O Rings easily fit right through 1.6 mm nickel plated chain and are great for Parakeets, Lovebirds, Parrotlets, Cockatiels, Conures, Senegals, Quaker Parrots, African Grey Parrots, Amazon Parrots and all similar size birds and bird toys.