Auger drill adapters

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hello guys.
I have seen these auger adapters for cordless drills and they seem like a great setup. My uncle has a kovac ice master one for his 5" lazer and it worked real nice, but he complains that it feels sloppy when drilling. So my question which adapter do you have/recommend and anyone local sell them? I currently have an older model 7" lazer that has the threaded shaft, not the wingnut. Also, i would pair it with my ridgid 18v MC hammer drill. Thanks

Auger drill adapters