Parker,
Look at the vision #2 and #1 and compare the ratio of length over diameter.
The #2 and smaller are narrower compared to the #1 and larger.

I fish very deep faster water using 2-3 oz weight, 15lb main, and 12lb leader Maxima.
Yes, I have to admit that I like to horse them in quick; more like "In the net less than 60 sec."

Do you guys know if Gammies manufacture two different versions of hooks; the good US export and the cheap third world export?

See, I bought a few hundred of them from the Swap Meet this summer at a dirt cheap price; something like $2.00 for a pack of 25.
I figured the guy selling these had "Collected" them when he was working for a Sporting good store. They all came in a new Gamakatsu package.

Oh, and the red paint comes off very easy.
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Know fish or no fish.