Safe to use Wheel Adapters 5 on 4" to 4.5"?

I own a 67 Dodge Dart. I want to change my bolt pattern to 5x4.5” to be able to buy different rims. Are Wheel Adapters 5 on 4" to 4.5" Safe to use? Here is the link New Pair Small to Big Bolt Pattern Mopar Wheel Adapters 5 on 4" to 4.5" Dart SBP | eBay

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Hi. Just another reply. Don't do it. Too many overall issues.