i want to aerate my yard not my tip.I really like this one https://www.amazon.com/dp/B09GBC8MG...9Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=
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The burnisher is just a progressively smaller radius hole vs that larger metal thing that does not even work on smaller diameter shafts. It's also softer plastic vs metal so danger to the shaft if you happen to be really dumb when using it would be very little.
