Should be the same except for the number of screws through the blades. I use a 2 hole model. In the event that a blade doesnt fit perfectly in the cutout, then a 2 hole will prevent any rotation of the blade(but thats extremely unlikely as long as the screw is in tight). I just got the 2 hole because LAS had the 1 hole backordered.
I have heard the 2 hole is set at a steeper angle. I myself have used the one hole for 3d and indoor and never had an issue. I hear the one to have is the pro model so you can adjust the blade angle. Just my 2cents.
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