Nickel Plated Heavy Duty Construction will allow for years of use.
These are serious duty Key Rings. This Key-Ring is made in USA!

Our split key rings are fabricated in the USA of spring tempered steel which is then plated in bright nickel to prevent corrosion. These keyrings open easily, yet resume their original shape without distortion

Dimensions are Approximate:
Outside Diameter: 1.640 in
Inside Diameter: 1.396 in
A Dimension: .122 in
B Dimension: .168 in
Wire Diameter: .105 in