4 Derby Style Chrome Wheel Centers Hub Covers. Universal mount Rim center diameter is 4 1/4” and is 4 1/8” high, bolt hole circle is 5x5.5 and 6x5.5 Bolt Pattern. You could cut the flange off if they fit your rim hole center.
Purchased new but never installed because I sold the truck. These will also fit some trailers.
You need to determine if they will work for your application. If you see the ad it’s available.
trailer Ford Chevy Chevrolet Dodge Ram cap caps center