Crank arm puller fail

I thought Id try out the CWP-7 Park tool crank puller that came in the
mail today. It says it's for Isis splined shaft, but they lie. It
lacks the cap to goes on the insert end that I see on other crank
pullers. I see another Park Tool Crank puller with the same name that
has a big knob attached on the insert end. First time I've been
disappointed by ParK Tool. I bought another one from another company
that has the cap. ...at half the Park Tool price.

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C'est bon
Soloman